The Tennessee Association of Student Councils (TASC) is an organization whose purpose is to promote the student council movement in the state of Tennessee. The Tennessee Association of Student Councils (TASC) is an organization whose purpose is to promote the student council movement in the state of Tennessee. THE ENTITY'S MAIN MISSION IS TO PROVIDE LEADERSHIP EDUCATION TO HIGH SCHOOL STUDENTS WHO ARE MEMBERS AND OFFICERS OF STUDENT COUNCILS IN THEIR RESPECTIVE SCHOOLS.