Overview Principals and Assistant Principals are expected to provide positive, collaborative leadership for improvement of student learning. The primary responsibility of the Principal is daily improvement of classroom instruction that results in high levels of student academic achievement within a small school setting.  The primary responsibility of the principal is the daily improvement of classroom instruction that results in high levels of student academic performance. The principal is responsible for all aspects of the building instructional program (curriculum materials, instructional capacity, use of assessment) to achieve high standards for student academic performance and to do so with a high level of integrity.