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Knee osteoarthritis (OA) is one of the leading causes of disability among the elderly population. This degenerative joint disease is characterized by progressive damage to the articular cartilage and structural alterations of the knee joint, resulting in pain, reduced mobility, and diminished quality of life. This Community Service Program (PKM) aimed to promote early detection of knee OA through simple radiological screening as a preventive strategy to reduce the risk of musculoskeletal disability. The activity was conducted at Asisi Church, South Jakarta, involving 87 participants aged 54–87 years (mean 70.77 ± 7.32 years). Radiological examination was performed using standard anteroposterior knee X-rays, and results were classified according to the Kellgren–Lawrence grading system. Findings revealed that 98.9% of participants exhibited radiological signs of OA, predominantly grade II (60.9%), followed by grade III (21.8%), grade I (11.5%), and grade IV (4.6%), while only 1.1% showed normal results. Female participants (74.7%) predominated across all OA grades, indicating hormonal and biomechanical influences on disease progression. The mean age increased with OA severity, supporting the degenerative theory that aging leads to decreased chondrocyte function and cartilage elasticity. In addition to screening, participants received education on weight management, muscle strengthening exercises, and injury prevention. The results demonstrate that simple radiological screening is an effective, practical, and cost-efficient community-based approach for early detection of knee OA. Integrating such preventive strategies within primary care systems could significantly reduce the burden of disability among the elderly population.

The application of Mastery Learning in Olympiad mentoring at Darussalam Islamic Junior High School was carried out using a classroom action research model involving 20 students from grades 8 and 9. The mentoring process followed a cyclical structure consisting of planning, action, observation, and reflection, supported by observation techniques, tests, and documentation. The implementation of the mastery learning model effectively improved students’ mathematics learning outcomes, as shown by a significant increase in mastery levels: 65% before the intervention, 75% after the first cycle, and 90% after the second cycle. In addition, the average learning score rose from 71 in the first cycle to 87 in the second cycle, reflecting substantial progress in understanding and problem-solving abilities. These results indicate that Mastery Learning not only enhances students’ mathematics performance but also strengthens their readiness and confidence to compete in the National OSN competition, demonstrating the model’s positive contribution to academic achievement and Olympiad preparation.

Illegal logging is one of the leading causes of environmental degradation, triggering natural disasters such as floods, landslides, and droughts. Children of Generation Alpha, who are still in the cognitive development stage, are considered vulnerable due to their limited understanding and preparedness for such disasters. This community service program aimed to enhance elementary school students’ awareness and knowledge of disaster mitigation through educational media in the form of printed comics. The activity was conducted by the KKN Team of Universitas Ivet Semarang at SDN Plalangan 02, involving 24 students from grades 3 and 4. The procedure consisted of preliminary observation to assess school needs, comic development on the theme of illegal logging-related disaster mitigation, delivery of the material through comic reading sessions, interactive discussions, and evaluation through pretest and posttest. The pretest results showed that most students were in the "moderate" knowledge category (45.8%). After the intervention, 75% of students reached the "good" category. The Wilcoxon test yielded a significance value of p = 0.001 (p < 0.05), indicating a statistically significant difference in students’ knowledge before and after the intervention. Printed comics proved effective in conveying complex disaster mitigation content in a visually engaging and narrative-driven format. The approach aligns with the characteristics of Generation Alpha, who are highly responsive to visual media. It is recommended that printed comics be further developed and integrated into disaster education programs in elementary schools, especially those located in disaster prone areas.

Education is not only about academic knowledge, but also about the overall balance between body and mind. Amidst increasing academic demands and constant social pressures, students’ mental health is a crucial aspect that should not be ignored. Mental health literacy in a legal perspective is the foundation for academic success, healthy social interactions and overall quality of life. In the educational environment, we often talk about achievement, grades and preparation for the future, but we often forget that students’ mental health is an important foundation for achieving such success. Mental health disorders such as anxiety, depression or stress that are not addressed can interfere with concentration in learning, healthy social interactions, and even general physical health. Therefore, it is important for us to start building mental health literacy in a legal perspective among students. By knowing the symptoms that may appear, preventive measures that can be taken and available sources of support, we can help create an inclusive, caring and supportive educational environment for students’ mental well-being. Many countries have specific regulations that cover aspects of mental health literacy in the educational environment, including students’ rights related to access to services and protection from discrimination. Student mental health literacy from a legal perspective involves the application of legal principles in the context of protecting and fulfilling students' rights related to mental health in the educational environment. Mental health literacy from a legal perspective as an integral part of individual well-being is gaining increasing emphasis in the legal realm. Protection of individual mental health does not only rely on medical aspects, but is also closely intertwined with the rights and regulations that accompany it. Education, advocacy, and cross-sector collaboration are key in efforts to improve mental health protection from a legal perspective that includes interrelated social, educational, health, and legal aspects. Through a better understanding of this background, regulations and policies can be developed to better protect and support students' mental health in educational institutions.    

The socialization of the importance of advanced study preparation or employment before graduation for Vocational High School (SMK) students aims to provide profound understanding and strong motivation to students on the brink of graduation. The objective is to enable them to make meticulous and insightful assessments, leading to wise decisions about their educational trajectory, either in higher education or entering the professional world. This informative session takes place at State Vocational High School 2 Depok and is attended by students from the Petroleum and Petrochemical Processing Techniques (TPMP) department in grades 11 and 12. The well-executed event adheres to the predetermined plan and utilizes methods involving information dissemination and interactive discussions to engage participants in the targeted subject matter. The outcomes of this initiative involve an enhanced comprehension of the conveyed material and the cultivation of a robust motivational spirit within participants. The aim is to prepare them for the choices they will make after completing their education, encompassing the possibility of continuing studies at tertiary institutions or entering the workforce. Furthermore, participants gain a clearer insight into the steps involved in determining a career field that aligns with their interests and abilities, as well as choosing a college major that resonates with their competencies.  

This study examines the effectiveness of using audio media in improving the memorization of short surahs. This research employs a qualitative descriptive approach with data collection methods including observation, interviews, and documentation. The data sources consist of Islamic Education teachers, classroom teachers, and 33 students. Data analysis techniques were conducted through (1) data reduction, (2) data presentation, and (3) conclusion drawing. Data validity was checked through four steps: 1) Credibility, 2) Dependability, 3) Confirmability, and 4) Triangulation. The results show that the effectiveness of using audio media in improving the memorization of short surahs at Madrasah Tsanawiyah An-Nur Monano Gorontalo is significant. Teachers were able to provide good short surah memorization materials to students, enabling them to memorize the surahs perfectly and fluently. Additionally, teachers were able to impart the understanding to students that memorizing short surahs is beneficial. Besides the fact that many students liked the media, they felt helped in repeatedly reviewing the memorized short surahs fluently and correctly. Thus, audio media is considered effective in facilitating the memorization of short surahs, with a high degree of effectiveness, as evidenced by the following grades: A- 36.36%, B+ 54.54%, C 3.03%, and 6.06%.