MARIETTA CITY SCHOOL DISTRICT. JOB DESCRIPTION. File: GCABB. Title:ASSISTANT PRINCIPAL HIGH SCHOOL-214 DAYS. Reports to:Principal and Superintendent. Job Objectives:Helps the principal manage the school program. Promotes an effective learning environment. Encourages program innovations. Administers the student conduct code. Monitors compulsory attendance requirements. Promotes close working relationships with parents, students, and staff. Keeps t...