As the education has been evolving in the post COVJD-19 outbreak, the Ministry of Education has encouraged several programs to transformed the quality of education in Indonesia, such as the implementation of Kuriku/um Merdeka. In this current curriculum, the project and collaborative based-learning have been promoted to engage students' participation. Moreover, one of the learning frameworks that boost students' active participation is Gagne 's Nine Events of Instruction. This research aims to describe how Gagne's Nine Events of Instruction is implemented in collaborative project-based English subject and the perspective of students and teachers towards the implementation ofGagne's Nine Events of Instruction. The informants of this research are 4 teachers, namely English, Indonesian, Cultural Arts and Workshop and Entrepreneurship teachers, as well as students from class XI MIP A 1 - 3 SMAN 1 Batam. The data collection method used is document analysis in the form of teacher lesson plans, observation, interviews with teachers and students who are informants of this research. Research data analysis using thematic analysis. The results of this study show that Gagne's Nine Events of Instructions in project-based collaborative learning have been applied in the lesson plans and classroom learning process by the four subject teachers according to their learning steps. Teachers and students also have the same point o view about the application of Gagne's Nine Events of instructions in this project-based collaborative learning, where they conclude that this learning process has been successful in improving students' understanding, fostering, and becoming a forum for creativity development, and creating a pleasant learning atmosphere for teachers and students. They also agreed that Gagne's Nine Events of Instructions in project-based collaborative learning has the impact of building students' positive character personally and socially.