Practicum 3 : It is a course taught to students in the STEM Teacher Preparation Program at the Faculty of Education, Assiut University. The course aims to: Developing as an educator involves both acquiring theoretical knowledge and gaining practical experience in a clinical setting. In Practicum 3, students will build upon their role as observers in STEM high schools by focusing on developing their skills as facilitators of small group discussions. They will also assist university instructors in enhancing students' understanding and critical thinking abilities. Candidates will transition from being passive observers of teaching and learning to active participants as Learning Assistants (LAs). LAs play a vital role in supporting student learning by applying evidence-based teaching and learning strategies.