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The purpose of this study was to improve student achievement in class XI AK.2 SMK St. Willibrodus Betun in Accounting subject through the application of peer tutoring learning methods. The problems faced are the lack of student interest in accounting subjects, and the difficulty of maintaining focus during class. This has a negative impact on their academic performance. The proposed solution involves utilizing the peer tutoring method, whereby students receive assistance from their classmates in understanding accounting concepts. The research was conducted using the Classroom Action Research (CAR) method and involved 20 students as research subjects. The results showed that there was a significant increase in student achievement after the application of the peer tutoring method. In cycle I, 13 students successfully completed their studies with an average formative test score of 74.50 and a percentage of learning completeness of 65.00. In cycle II there was an increase in the number of students who completed their studies, with a total of 18 students. The average score of formative tests also increased to 88.00, and the percentage of complete learning reached 90.00. The conclusion drawn is that peer tutoring is an effective learning method in improving the academic achievement of Accounting students.

The purpose of this study was to evaluate the effectiveness of the Problem Based Learning (PBL) model in improving student learning outcomes in SMA. The research was conducted in two cycles at SMA Negeri 1 West Malacca. Data were obtained through observing learning activities, formative tests, and summarizing student scores. The results showed that there was a significant increase in cycle II compared to cycle I. The number of students who completed learning increased from 23 to 32 students, the average score of formative tests increased from 69.57 to 84.29, and the percentage of learning completeness increased. from 65.71 to 91.43. PBL implementation yields gains in increasing student participation, student-teacher interaction, student engagement, and overall student learning outcomes. Problem-based learning encourages students to engage in critical thinking, collaboration and discussion. The integration of relevant information sources also increases students' understanding of the subject matter. In conclusion, the application of Problem-Based Learning (PBL) significantly improves student learning outcomes and makes a positive contribution in the context of learning in SMA.