Objective: The purpose of this school action research is to improve the ability of school principals to carry out academic supervision through managerial supervision with a collaborative approach. This research was conducted at Foster Vocational Schools in Bojonegoro Regency. The school is a school fostered by researchers who serve as supervisors. The subjects in this study were six principals of vocational school Taruna Mandiri Ngasem, vocational school Association of Teachers of the Republic of Indonesia 3 Bojonegoro, vocational school Al Kyai Sukosewu, vocational school Wali Songo Sugihawaras, vocational school Muhammadiyah 6 Kedungadem, and vocational school Miftahul Huda Baureno. This research was carried out for two months. Method:  A collaborative approach with monitoring and evaluation, and workshops is an activation process that will be aimed at finding out whether the development of the implementation of this program, whether it is by plans, procedures, or standards that have been set and assess the level of achievement and effectiveness of the program that has been implemented. Results: the managerial supervision of the collaborative approach can improve principals' performance abilities in carrying out academic supervision. The results achieved in cycle 1 averaged 75.38, and cycle 2 achieved an average score of 92.42 according to the researcher's target, namely the average score of 80 and above. With the increased performance of school principals in academic supervision, all supervised teachers experience direct positive benefits from academic supervision. Novelty: Teachers feel that implementing learning in schools becomes more qualified, effective, and efficient.

This study aims to determine the improvement of the results of writing stories through the method of imagination suggestion in class IXA students of SMP Negeri 27 Semarang in semester 1 and to increase students' love for writing stories through the method of imagination suggestion in class IXA students of SMP Negeri 27 Semarang. This type of research is classroom action research (CAR) which consists of pre-cycle, cycle I, and cycle II. The average pre-cycle score reached 62.93 so it was categorized as incomplete and students' completeness was only 37%. The average value of my cycle reached 76.40 so it was completed completely and students' completeness was 97%. In the second cycle, the average value of the class was 82.06% with the category of attention and students who achieved 100% completeness. In the pre-cycle students are given the freedom of the theme of the wayang story. In cycle I the story is titled Bedhah Alengka. In cycle II, the story of Anoman Duta is from the famous dhalang Ki Bayu Aji Prasetya. From the results of the non-test, it was found that most of the students were happy and enthusiastic watching the wayang kulit performance as a medium with the method of imagination suggestion. This method can also help students' difficulties in writing wayang stories.