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Improving the quality of leraning in vocational high school (SMK) is essential to meet the demands of a competency-based workforce, especially in the Agricultural Food Crop and Horticultural Agribusiness expertise program. One of the challenges faced is the low student achievement in practical subjects, such as Grafting techniques. This study aims to enhance the learning outcomes of grade X ATPH 2 students at SMK negeri 1 Gondang through the implementation of the Project-Based Learning (PjBL) model in the Agribusiness Food Crop and Horticulture subject, focusing on grafting material. This research employed a Classroom Action Research (CAR) method conducted in two cycles, starting from the pre-cycle to cycle I. the research involved 30 students and was conducted from February to April 2025. The instrument used was a cognitive test analyzed quantitatively to measure student learning outcomes. The results showed an increase in the average student score from 51.23 in the pre-cycle to 76.2 in cycle I. the percentage of learning mastery also significantly increased from 16% to 57%. The implementation of the Project-Based Learning (PjBl) model provided a concrete and comprehensible learning experience, enhancing student participation and motivation.

This study investigates the dual impact of teacher competence on student academic performance and the development of leadership qualities in Senior High Schools and Vocational High Schools in Kabupaten Serang, Banten Province. Using a qualitative research approach, data were collected through interviews, focus groups, and classroom observations involving teachers and students. The findings reveal that teacher competence encompasses not only mastery of subject matter and pedagogical skills but also emotional intelligence and leadership modeling. Competent teachers create supportive and participatory learning environments that enhance both academic achievement and leadership development among students. The research highlights that effective teachers are those who not only deliver content but also engage students in meaningful ways, fostering a sense of belonging and motivation. This engagement is crucial, as it encourages students to take ownership of their learning and develop critical thinking skills. Furthermore, the study identifies that teachers who model leadership behaviors—such as ethical decision-making, effective communication, and collaboration—significantly influence students' perceptions of leadership and their willingness to adopt similar traits. However, challenges such as limited access to professional development and resource constraints affect the full realization of teacher competence. Many teachers express a desire for ongoing training and support to enhance their skills, yet systemic barriers often hinder their professional growth. The study underscores the need for comprehensive teacher development programs and policy support to improve educational outcomes holistically. These insights are valuable for educators, policymakers, and school administrators aiming to foster academic excellence and leadership skills in students. By prioritizing teacher competence and providing the necessary resources, schools can create an environment that not only promotes academic success but also prepares students to become effective leaders in their communities. 

This study aims to improve the skills of third-grade elementary school students in learning the concept of measuring length and weight through the Team Games Tournament (TGT) learning model. The research method used is classroom action research (CAR) based on the Kemmis and McTaggart model, which involves four stages: planning, acting, observing, and reflecting. The study was conducted with 24 students from class III B at UPT SDN Latsari Tuban. Data collection techniques included observation, tests, and interviews. The research results show that the implementation of the TGT learning model can enhance students' understanding of the concepts of length and weight measurement. In addition, there was an increase in students' learning activity and motivation during mathematics lessons. Students became more enthusiastic, cooperative, and engaged in group activities, which contributed to better mastery of the material. Based on these findings, the TGT learning model is proven to be effective in improving mathematics learning outcomes, especially in the topic of Length and Weight Measurement for third-grade elementary school students.

Guided inquiry is recognized as an effective instructional model for Vocational High Schools (SMK), as it actively engages students in systematic exploration and investigation with teacher guidance. This study aims to address the problem of low student engagement and learning outcomes by implementing the guided inquiry model in classroom instruction. The research employed a Classroom Action Research (CAR) design, conducted over two cycles, each comprising the stages of planning, action, observation, and reflection.The participants consisted of 36 students from Class X of the Agribusiness for Food Crops and Horticulture (ATPH) program at SMK Negeri 1 Purwosari during the 2024/2025 academic year. Data collection instruments included student engagement observation sheets, evaluation tests, and documentation, with data analyzed using descriptive quantitative methods. The findings revealed that the guided inquiry model significantly improved both student engagement and learning outcomes in the topic of vegetative propagation. Student engagement increased from 32.81% in the pre-cycle to 70.49% in the first cycle and 84.72% in the second cycle. Similarly, the percentage of students achieving mastery in learning outcomes rose from 38.89% in the pre-cycle to 83.33% in the first cycle and reached 100% in the second cycle.

The goal of this study is to ascertain whether using learning model Think Pair Share (TPS) improves student interest and science learning outcomes. Classroom action research (PTK) is the term for this kind of study. Learning outcomes in science and interest rose by 14.82%. According to the questionnaire results for each cycle, the average percentage of student interest increased from 73.43% in the first cycle to 79.82% in Cycle II. Ten students, or 35.71% of the total, have finished at pre-cycles. One student's percentage of mastery rises to 60.71%, or 17 finished students, after completing a cycle action. With an average score of 84.46, the percentage of students who experience mastery has then increased to 100% in cycle two.

This study aims (1) to determine the ability of mastery of mufradat in seventh grade students of Madrasah Tsanawiyah Babang Luwu before and after applying puzzle book media. (2) to determine the effectiveness of puzzle book media in improving mastery of mufradat for seventh grade students of Madrasah Tsanawiyah Babang Luwu. The method used in this research is Classroom Action Research (PTK) with Kemmis and McTaggart model which consists of two cycles. Data were collected through observation, tests, and interviews. The results of this study are (1) classroom action research conducted by researchers can be concluded that the use of puzzle book media is effective to be applied to seventh grade students (Research Class) by looking at the increase in the results of students' mastery of mufradat which increased through puzzle book media. (2) The percentage increase in cycle I can be seen that out of 23 students, 10 students with a percentage of (43%) were complete, while 13 students with a percentage of (57%) were not complete. As for cycle II, it can be seen that out of 23 students, 19 students were complete with a percentage (83%), while those who were not complete were 4 students with a percentage (17%). From cycle I to cycle II there was an increase in learning outcomes by (40%). Thus in cycle II the learning outcomes were said to be complete.