The term SCH. OFFICIAL is composed of two abbreviations, SUPT and PRINC. SUPT stands for Superintendent, which is a high-ranking position in a school district or educational organization. The Superintendent is responsible for managing the district's staff, budget, and curriculum. PRINC stands for Principal, which is a senior administrator in a school. The Principal is responsible for overseeing the day-to-day operations of the school, including student discipline, staff management, and curriculum implementation.