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Numeracy is an important skill that elementary school students must have, but in reality it is still relatively low because learning tends to be conventional and less contextual. Numeracy does not only include the ability to count, but also the ability to understand, use, and interpret numbers and data in various daily life contexts. One of the causes of low student numeracy is a learning approach that is less interesting and not related to real situations. This study aims to test the effectiveness of the contextual learning model (Contextual Teaching and Learning/CTL) in improving students' mathematical numeracy skills. The research design used was a one-group pretest-posttest experiment with 23 fifth-grade students of SDN 002 Teluk Bintan as subjects. The instrument in the form of a numeracy test was given before and after the implementation of CTL, then the data were analyzed using prerequisite tests (normality and homogeneity) followed by a paired sample t-test. The results showed a significant increase in students' numeracy skills. The average pretest score of 24.78 increased to 73.91 in the posttest with a significance value of 0.000 <0.05. This increase proves that CTL is effective in helping students master numeracy through a learning process that links mathematical concepts with real experiences. Thus, the contextual learning model can be an alternative learning strategy that is relevant for increasing elementary school students' numeracy, while emphasizing the importance of implementing a more applicable approach in mathematics learning.

Development of a Canva-Based Informatics E-book on ICT Material for Grade X at SMA Negeri 5 Samarinda. This research aims to determine the feasibility of a product in the form of an E-book as a learning medium and to assess the response toward the Canva-based Informatics E-book for Grade X students at SMA Negeri 5 Samarinda. This study employs a Research and Development (R&D) method with the PPE model, which consists of three stages: Planning, Production, and Evaluation. The research subjects involved 35 students from Grade X (I) at SMA Negeri 5 Samarinda, along with 3 media experts and 1 material expert. The research object is the Canva-based Informatics E-book on ICT material. The results showed that the development of the Canva-based E-book, as evaluated by 3 media expert validators, obtained a percentage score of 92.19%, which falls into the “Highly Feasible” category. The Evaluation conducted by 1 material expert achieved a percentage score of 100%, also in the “Highly Feasible” category. Furthermore, students’ responses to the product were measured and obtained an average percentage score of 82.57%, which falls into the “Very Interesting” category. Thus, the development of the Canva-based E-book on ICT material for Grade X at SMA Negeri 5 Samarinda, developed using the PPE model, is declared highly feasible based on media and material expert validation and very interesting based on students’ responses.

This research was conducted on fourth-grade students of SD Negeri 01 Karang with the aim of analyzing the effect of the implementation of the Javanese culture-based Project Based Learning (PjBL) model on students' communication skills in the 2025/2026 academic year. The research subjects were 25 students, consisting of 12 male students and 13 female students. This type of research is quantitative with a One Group Pre-Test Post-Test Design. The research procedure began with the administration of a pre-research questionnaire to determine the level of instrument validity, and the results of the validity test showed that there were 10 questionnaire items that met the valid criteria for use in data collection. Data analysis was carried out through a normality test using the One-Sample Shapiro-Wilk formula and a hypothesis test using the Paired Sample T-Test formula. The results of the analysis showed a significance value <0.000 with a probability <0.05, so it can be concluded that the research hypothesis is proven, namely there is a significant effect of the implementation of the Javanese culture-based PjBL model on improving the communication skills of fourth-grade students. These findings confirm that project-based learning linked to local cultural contexts not only improves communication skills but also helps students better understand and appreciate their local cultural values. Thus, cultural integration in the PjBL model is an effective strategy for improving the quality of learning, both academically and strengthening students' cultural identities.

Development of a Canva-Based Informatics E-book on ICT Material for Grade X at SMA Negeri 5 Samarinda. This research aims to determine the feasibility of a product in the form of an E-book as a learning medium and to assess the response toward the Canva-based Informatics E-book for Grade X students at SMA Negeri 5 Samarinda. This study employs a Research and Development (R&D) method with the PPE model, which consists of three stages: Planning, Production, and Evaluation. The research subjects involved 35 students from Grade X (I) at SMA Negeri 5 Samarinda, along with 3 media experts and 1 material expert. The research object is the Canva-based Informatics E-book on ICT material. The results showed that the development of the Canva-based E-book, as evaluated by 3 media expert validators, obtained a percentage score of 92.19%, which falls into the “Highly Feasible” category. The Evaluation conducted by 1 material expert achieved a percentage score of 100%, also in the “Highly Feasible” category. Furthermore, students’ responses to the product were measured and obtained an average percentage score of 82.57%, which falls into the “Very Interesting” category. Thus, the development of the Canva-based E-book on ICT material for Grade X at SMA Negeri 5 Samarinda, developed using the PPE model, is declared highly feasible based on media and material expert validation and very interesting based on students’ responses.

Used cooking oil is a household waste that may pollute the environment and harm human health if disposed of or reused improperly. This community service program aimed to provide a waste management solution while enhancing the community’s economic skills through training on producing aromatherapy candles from used cooking oil. The implementation method included awareness sessions on the hazards of used cooking oil, technical training using a learning by doing approach, and assistance in production and marketing. A total of 30 participants from the Family Welfare Movement (PKK) took part in the program. The results indicated improved knowledge and skills, the production of approximately 50 aromatherapy candles with lavender, rose, and vanilla scents, and the establishment of a community group committed to continuing independent production. The program contributed positively to the environment by reducing around 15 liters of waste oil per month and created new entrepreneurial opportunities for residents. Therefore, this initiative can serve as a sustainable community empowerment model based on circular economy principles.

The community service program carried out at Stella Matutina Salatiga Junior High School aims to strengthen environmental awareness while supporting the implementation of sustainable education through the manufacture of biopesticides made from eco enzymes. This activity is based on students' low understanding of the impact of the use of synthetic chemical pesticides on health and the environment. Therefore, the program is designed for students to gain hands-on experience in processing organic waste into eco enzymes and using it as the main ingredient of environmentally friendly biopesticides. The implementation method includes socialization on the importance of protecting the environment, introduction to natural biopesticides, training in making biopesticides with simple techniques, and intensive assistance to teachers and students. The evaluation process was carried out through an interactive quiz using the Kahoot application to measure participants' understanding. In addition, the follow-up of the program includes the preparation of materials, creative workshops, the development of interactive modules, teacher training, classroom implementation, and exhibitions of student works. The results of the program showed that the training was effective, as evidenced by the application of biopesticides in school parks and the increase in student knowledge, namely from a pre-test score of 53% to 59% in the post-test. These findings confirm that the application of eco enzymes is not only beneficial in reducing the use of chemical pesticides, but also able to foster students' environmental awareness and practical skills. In the future, this program has the potential to be replicated in other schools as a project-based learning model that is applicable and sustainable.

This community service activity aims to provide outreach and training related to the use of Artificial Intelligence (AI) in developing engaging, interactive, and effective learning tools for teachers in TKIT, SDIT, and SMPIT Darut Tauhid in Grobogan Regency. This service was carried out on June 11, 2025, using a qualitative approach through various methods, including presentations, interactive discussions, workshops, and direct practice in the use of AI technology. This activity emphasized improving teachers' skills in integrating AI technology into the learning process so that it can support the creation of a more innovative learning atmosphere and suit the needs of students in the digital era. The results of the activity showed a significant increase, both in terms of efficiency and quality. Teachers were able to save up to 70% of time preparing learning tools, produce more varied and engaging learning media, and show higher motivation in adopting digital technology to support the teaching and learning process. The three main tools introduced, namely ChatGPT, Claude, and Canva Magic Design, have been proven to help teachers in creating materials, designing media, and managing learning more effectively. The positive response from training participants also confirmed that the use of AI has significant potential for wider implementation in Islamic educational institutions. Therefore, this activity not only contributes to improving teacher competency but also opens up opportunities for developing technology-based learning models relevant to future educational challenges.

The phenomenon of poor emotional management among students, such as irritability, low empathy, and lack of cooperation skills, poses a challenge in Islamic Religious Education (PAI) learning. This study aims to examine the dimensions of students’ emotional intelligence in the context of PAI learning based on the theories of Daniel Goleman and Salovey-Mayer. Using a literature review approach and qualitative content analysis, this research explores various theories, empirical research findings, and expert opinions derived from relevant journals, books, and scholarly works. The results indicate that emotional intelligence plays a crucial role in the success of PAI learning, particularly in shaping students’ character, Islamic morals, and social skills. Goleman’s theory, which emphasizes five main dimensions self-awareness, self-regulation, motivation, empathy, and social skills can be integrated with the Salovey-Mayer model, which outlines the abilities of perceiving, understanding, and managing emotions cognitively. These dimensions can be synergistically implemented in the PAI learning process to achieve holistic Islamic education goals. In this context, PAI learning is not only oriented toward the transfer of religious knowledge but also toward the formation of an Islamic personality through the integration of emotional management with Islamic values. Teachers, as uswah hasanah (exemplary role models), play a vital role in demonstrating emotional management aligned with Islamic teachings, guiding students through the habituation of Islamic behavior, and providing direction that encourages discipline in worship. A comprehensive understanding of Islam, combined with emotional management skills, shapes students who are not only intellectually intelligent but also emotionally and spiritually mature.

Cahaya Amal Soleh Foundation is a social institution that focuses on community service through various institutional programs engaged in social, education, and community empowerment. However, a number of operational staff who do not have a financial background have difficulty in understanding and managing financial reports effectively. This study aims to assist staff through the On-the-Job Learning and Development Program (OLDP) themed Finance for Non-Finance with the SIAPIK (Islamic Boarding School and Social Charity Accounting Information System) application approach. The method used is a qualitative approach with a participatory model, involving direct training, transaction recording simulations, and evaluation of participant understanding. The results of the assistance showed a significant increase in staff understanding of basic accounting principles, transaction recording, and SIAPIK-based financial reporting. These findings indicate that a practical approach through an application based on the foundation's needs can improve the financial capacity of non-accounting staff. The implications of this activity reinforce the importance of digitizing the financial system of social organizations and the need for ongoing training for human resources so that accountable and transparent financial governance can be realized sustainably. In addition, the results of this program highlight that the integration of technology and participatory training can overcome barriers in financial literacy among non-finance staff. The SIAPIK application provides an accessible interface and structured modules that are easy to understand, thereby reducing the complexity usually associated with financial management. Staff who previously felt unconfident in processing financial transactions gradually gained competence and independence in applying accounting procedures. The training also fostered collaborative learning, where participants supported each other in solving case simulations, enhancing not only technical knowledge but also teamwork and problem-solving skills. Furthermore, the foundation’s management expressed that the program positively contributed to institutional performance by ensuring more reliable and transparent financial reporting.

This study aims to address the low learning process and outcomes of students in mathematics in grade IV of State Elementary School 138/II Daya Murni. The type of research used is classroom action research (CAR), which is carried out in two cycles, each consisting of planning, implementation, observation, and reflection stages. The subjects in this study were 13 students, and the implementation was carried out in the second semester of the 2025 academic year. Data were collected through observation, field notes, documentation, and learning outcome tests. Based on the results of the study, the Take and Give Type Cooperative model was proven to be able to improve the learning process and outcomes of students. In the first cycle, the involvement of educators in teaching was recorded at 66.66%, while in the second cycle it increased to 73.33%. Likewise, student involvement in the learning process increased from 46.61% in the first cycle to 69.23% in the second cycle. A significant increase was also seen in the completeness of student learning outcomes. In cycle I, the learning achievement rate reached 76.92%, and in cycle II, it increased to 84.61%. The implementation of the Take and Give Cooperative Model has proven effective in improving the quality of learning, both in terms of process and outcomes. Therefore, this model can be a useful alternative for educators in increasing student engagement and learning outcomes in grade IV.  

This community service program aims to strengthen the competence of automotive workshop MSMEs in mastering microcontroller-based starter system technology, enabling them to adapt to the era of vehicle digitalization. The program was carried out through several stages: identification of training needs, delivery of basic theory on microcontrollers and starter systems, practical sessions in module assembly and programming, followed by mentoring and evaluation. The results of the evaluation showed an 85% increase in participants’ understanding of the digital starter system concept, an 80% improvement in module assembly and programming skills, and a 75% increase in readiness to apply innovative starter systems in workshop services. The novelty of this activity lies in the development of a more applicable digital starter system model tailored to the needs of small-scale workshops. The implementation emphasized a participatory, practice-based approach using learning by doing. Participants, mainly workshop owners and technicians, were guided step by step from component recognition, software operation with Arduino IDE, to the prototyping of functional microcontroller-based starter systems. To ensure sustainability, the program also provided training modules, video tutorials, and online mentoring, allowing participants to continue practicing independently after the training. Beyond improving technical competence, this activity also fostered an innovative mindset among participants, making them more confident to provide modern, technology-oriented services. In the long term, the program is expected to enhance the competitiveness of automotive MSMEs, strengthen customer trust, and build collaborative networks between higher education institutions and local workshops in supporting vocational education and digital transformation.

Science education at the junior high school level demands learning strategies that encourage active student engagement as well as enhance conceptual understanding. The low learning outcomes of students in the science subject of ecosystem materials emphasizes the need for learning innovations that focus on student activities. This study aims to evaluate the effectiveness of the Problem Based Learning (PBL) learning model in improving the learning outcomes of grade VIII students of SMP Negeri 1 Tumpaan. The research was conducted in the form of Classroom Action Research with two cycles, each of which included the planning, implementation, observation, and reflection stages. The subjects of the study were 30 students of grade VIII. The research instrument is in the form of learning outcome tests given at the pre-cycle stage, post-test cycle I, and post-test cycle II. Data were analyzed using descriptive statistics and repeated measurement tests to ascertain the significance of improving learning outcomes. The results showed an increase in students' average scores from 58 in the pre-cycle to 75.33 in the first cycle, and 79.5 in the second cycle. The percentage of learning completeness also increased from 20% to 66.67% in the first cycle, and reached 80% in the second cycle. Repeated measurement analysis showed significant differences between stages with strong positive correlation values. These findings confirm that PBL is effective in improving science learning outcomes, encouraging active student involvement, and improving the equitable distribution of achievement in the classroom. This research has implications for the importance of implementing PBL as an innovative learning strategy in junior high schools to support the achievement of science literacy and 21st century skill development

This study explores the role of principal leadership style in shaping the quality of 21st-century teaching skills among elementary school teachers in Indonesia, with particular attention to leadership practices, challenges encountered, and strategies for improvement. Using a descriptive qualitative approach, the research was conducted at SD Negeri 90 Sampulungan, Takalar, South Sulawesi, involving the principal and teachers as participants. Data were gathered through in-depth interviews, direct observations, and documentation to provide a comprehensive understanding of the phenomenon. The findings indicate that the principal primarily employed transformational and democratic leadership styles. These approaches motivated teachers by inspiring them with clear visions, serving as role models, and encouraging active participation in decision-making processes. Such leadership practices contributed significantly to teacher engagement and the overall school climate. Teachers, in turn, demonstrated competencies aligned with 21st-century learning demands, particularly through the application of the 4Cs: critical thinking, creativity, communication, and collaboration. They also showed efforts in integrating information and communication technology (ICT) into their teaching practices and implementing interactive classroom management strategies. However, several challenges were identified, including limited availability of facilities, resistance among some teachers toward adopting innovative methods, and the heavy administrative workload that often distracted from instructional focus. To address these issues, the principal implemented various strategies such as organizing continuous professional development training, providing close supervision and mentoring, and offering motivational support to sustain teacher commitment. Overall, the study emphasizes the crucial role of transformational leadership in strengthening teachers’ 21st-century skills and offers practical implications for educational policy development, while also recommending future studies across broader school contexts in Indonesia.

Adapting to students’ learning styles is a key factor in enhancing the effectiveness of higher education, particularly in Informatics programs where learning preferences vary widely. This study aims to segment students based on their learning styles using the K-Means clustering algorithm, guided by the VARK model (Visual, Auditory, Read/Write, Kinesthetic). Data were collected from 130 Informatics students, including information on their learning preferences, and processed through normalization techniques. The optimal number of clusters was determined using the Elbow Method and Silhouette Score, and subsequent cluster interpretation was conducted. The results identified three dominant clusters, each representing distinct learning behavior patterns. These clusters were analyzed to recommend tailored instructional strategies for each group. Specifically, Visual learners were found to benefit from graphic-heavy materials, Auditory learners preferred lectures and discussions, Read/Write learners thrived on written content and detailed notes, while Kinesthetic learners responded best to hands-on activities. The findings support the development of adaptive, data-driven teaching approaches that align with the actual learning tendencies of students in Informatics. Moreover, the study demonstrates that the K-Means method is effective in systematically identifying student learning profiles, which can be used to inform instructional improvements. This personalized approach to teaching could significantly enhance learning outcomes by providing students with the most effective educational experiences tailored to their individual learning styles

Character education is the most important aspect in this generation era that is not only smart in knowledge but also has a nice moral and acts in society. However, this practice of character education in schools often fights challenges because of the lack of community participation and the existence of connection with local needs. This article shows how local educational community collaboration is used to strengthen character education in schools around the campus of Universitas Negeri Semarang as part of a community service program. Using Participatory Community Appraisal (PCA), Focus Group Discussion (FGD), student mentoring, and project activities, this program explores real needs while also giving students how to learning experiences. The results show a significant improvement in students’ understanding and personality, especially in responsibility, discipline, and social environment. The success of character education dopends on the harmoy between schools, families, universities, and local communities, as shown in the high participation of teachers and parents. The program also improved teachers’ capacity to combine character values, encouraged parents’ participation in supporting their children at home, and showed the role of universities as academic facilitators. Character education based on local needs can be used as a  model example by other schools with cultural and social adaptation, while also supporting the Sustainable Development Goals, especially SDG 4 on quality education and SDG 17 on partnerships.

The development of digital technology and the impact of the pandemic have shifted the learning paradigm in elementary schools from traditional face-to-face models to technology-based online systems. However, the limited mastery of teachers in utilizing digital learning media, particularly Google Classroom, has become a major obstacle in implementing effective online learning. This community service activity aims to improve the competence of teachers at SD Negeri Gollu Sapi in managing technology-based learning through the use of Google Classroom. The implementation method consists of four stages: preparation, workshop implementation, practice mentoring, and evaluation. The workshop was designed interactively by combining material presentation, demonstration, discussion, and hands-on practice, covering the creation of virtual classes, uploading teaching materials, assigning tasks, and conducting online assessments. The results of the activity showed a significant improvement in teachers’ skills, both in independently managing online classes and in applying the main functions of Google Classroom. Teachers were able to create digital teaching materials, set assignment schedules, provide feedback, and prepare technology-based assessments. In addition, this activity also produced an online article publication and video documentation as additional outputs. The teachers’ enthusiasm during the implementation indicates that this activity is useful and relevant to the needs of 21st-century learning. With this training, teachers are expected to become more adaptive to the digital transformation in education, thereby supporting the achievement of a more interactive, effective, and sustainable learning process in the digital era.

This study focuses on improving digital literacy and formal Indonesian language proficiency among the Indonesian diaspora community in Kampung Baru, Kuala Lumpur, Malaysia. The community faces challenges in adapting to digital technology and maintaining linguistic and cultural identity, which limits their socio-economic participation and engagement in community activities. The objective of this research is to develop and implement a community-based program that enhances digital skills while promoting national language usage and cultural preservation. The program employed a participatory and interactive approach, including workshops, hands-on practice, mentoring, role-play, and storytelling, targeting 30 participants comprising youth, MSME actors, teachers, village officials, and housewives. Pre-test and post-test evaluations, direct observation, and interviews were used to assess the impact of the program. The results show significant improvements in digital literacy, with participants demonstrating enhanced skills in e-mail usage, document sharing, e-wallet applications, and digital security awareness, with post-test gains ranging from 40% to 45%. Likewise, proficiency in formal Indonesian language, public speaking, and cultural knowledge increased by 25% to 28%, reflecting both technical and cultural skill development. The findings indicate that community-based, participatory learning integrated with cultural reinforcement effectively bridges the digital divide and strengthens linguistic identity among diaspora communities. The study concludes that such a hybrid model not only empowers participants in digital and linguistic capacities but also promotes cultural sustainability and social cohesion, offering a scalable and replicable framework for similar communities.

Prophetic leadership of madrasah principals represents a highly significant leadership phenomenon. Various cases of bullying, brawls, sexual violence, and promiscuity have become serious threats for students, raising deep concern among parents. The existence of madrasah tsanawiyah is considered highly relevant for instilling akhlaqul karimah in the present era. Many parents place great expectations on madrasah tsanawiyah to provide their children with beneficial knowledge and to nurture noble character, whether in their conduct toward fellow human beings, toward the natural environment, or toward Allah SWT. The aim of this research is to explore the prophetic leadership of madrasah principals in cultivating akhlaqul karimah. The study employs a qualitative descriptive approach with a multi-site design. Data were collected through in-depth interviews, participant observation, and documentation. Data analysis was conducted using single-case analysis and cross-case analysis. The validity of the data was ensured through credibility, transferability, dependability, and confirmability. The findings reveal that: (1) The vision of prophetic leadership among madrasah principals in instilling akhlaqul karimah is to develop students with the characteristics of the Profil Pelajar Pancasila and as rahmatan lil-‘alamin, grounded in exemplary conduct and implemented through several programs, including habituation activities, value-based learning, Qur’anic memorization and literacy, Friday infaq, role modeling, and collaboration with parents/guardians. (2) The integrity of prophetic leadership is reflected in serving as a role model, adopting an empathetic approach, being honest and transparent in delivering information and policies, assuming responsibility for all assigned duties, and consistently monitoring the moral conduct of students.

Indonesian language learning at the junior high school level often faces challenges such as low student motivation, participation, and comprehension in reading, writing, and listening materials. The predominance of lecture-based methods and textbooks leads to suboptimal student engagement, especially in online or hybrid learning. This community service activity at SMP S Methodist 1 Rantau Prapat aims to enhance students’ understanding as well as teachers’ capacity through the application of interactive learning media. The media used include interactive PowerPoint, Wordwall, and H5P, which allow adaptive quizzes, writing exercises, and game-based activities. The implementation methods involve initial observation, development of interactive curriculum-based materials, socialization, teacher training, classroom implementation, and evaluation using pre-tests and post-tests. Data were collected through comprehension tests, classroom participation observations, and short interviews. The results showed a significant improvement: the students’ average post-test scores increased compared to the pre-test, with more active classroom participation in interactive quizzes and discussions. Teachers also felt more supported in delivering lessons and gained new skills in using digital media. In conclusion, the application of interactive media proved effective in improving the quality of Indonesian language learning and can serve as a sustainable model for secondary schools.

Typhoid fever is an infectious disease caused by the bacterium Salmonella typhi, commonly found in developing countries, including Indonesia. Prompt and accurate treatment is crucial to prevent serious complications in patients. One way to assist in diagnosing typhoid fever is by applying machine learning methods to classify patient data. The Naive Bayes method is one of the machine learning algorithms frequently used in medical data classification due to its strong ability to handle large and complex datasets. This article discusses the application of the Naive Bayes method for classifying typhoid patient data at Rantauprapat General Hospital (RSUD Rantauprapat). By utilizing medical data that includes clinical symptoms, laboratory test results, and patients’ medical histories, the Naive Bayes model can provide fairly accurate predictions regarding the likelihood of a person having typhoid fever. The research findings indicate that Naive Bayes is reliable in predicting typhoid diagnoses with adequate accuracy, thereby supporting healthcare professionals in making faster and more precise decisions. It is expected that the implementation of this method can accelerate the diagnostic process and improve the quality of healthcare services at RSUD Rantauprapat, as well as in other regions.