Peningkatan Kinerja Guru Mata Pelajaran melalui Penerapan Model Pembelajaran Kooperatif berbasis kegiatan Suvervisi Pada Siswa

The research aims to determine (1) the ability of subject teachers to prepare lesson plans for cooperative learning models; (2) The ability of the teacher to apply the cooperative learning model. This research method is a type of school action research which is an action research, the implementation uses two cycles consisting of planning, implementation, observation and reflection stages involving 4 teachers of SMAN 1 Krayun. The results showed (1) there was a significant improvement in the ability of teachers in preparing lesson plans for cooperative learning models starting in the pre-cycle 62.55% with the low category, 81% in the first cycle in the good category, and 95.5% in the second cycle with the very good category; (2) There was an increase in the teacher's ability to apply the cooperative learning model from the pre-cycle with a percentage of 56% in the low category, 73% in the first cycle in the good category, 92.5% in the second cycle in the very good category with 100% learning completeness. The results show that with supervision through guidance, coaching in applying the cooperative learning model to teachers, has an impact on student performance and achievement.