Friendly supervision conducted by principals is basically an effort to improve the quality of education and teaching in schools with core teaching programs supported by other elements such as teachers, facilities and infrastructure, curriculum, teaching and assessment systems. This research method is a school action research study subject of three teachers in class VI with the results of the study seen in the completeness of the administration of learning owned by teachers in the first cycle the average value is 66 with less categories, while the completeness of the administration of learning owned by teachers in the second cycle average the average value is 87 with a very good category. In the implementation of learning activities carried out by teachers in the first cycle the average value was 77.33 with enough categories, increasing in the second cycle with an average value of 90 with good categories. It was concluded that friendly supervision was effectively carried out in improving the quality of teacher learning.

The quality of teachers as educators is an important factor, one of which is the quality in making HOTS (Higher Order Thinking Skills) questions which are the responsibility of the principal as the holder of the highest authority in the school, so the aim of this study is to improve the ability of teachers to make HOTS questions. (Higher Order Thinking Skills) through the teacher working group (KKG) which is the subject of this study 26 people using school action research methods that carry out cyclical research steps. The results showed an increase in teacher activity in the first cycle, the average percentage of teacher activity was 73% with a good category, and the average percentage of teacher activity in the second cycle was 91% with a very good category. The teacher's ability in making HOTS questions in the first cycle the average score was 80.76 in the good category, while the teacher's ability in making HOTS questions in the second cycle the average score was 96.92 with the very good category. So it was concluded that carrying out KKG activities was effective in increasing the ability of teachers to make HOTS questions.