An alternate to traditional parent/teacher conferences is the Student Led Conference. In this format, the teacher sets up an number of table or desk groups that will seat 4 people: the student, the parents, and the teacher. With multiple seating areas, you will be able to conduct multiple parent conferences at the same time.
The key to success in the Student Led Conference is the preparation of students to speak knowledgeably about their progress for their own conference. With the script provid