Charter Oak High School, Charter Oak Unified School District. Budget: $5.2 Million. New Aquatic Center facility consists of an outdoor pool, single story aquatic facilities building, exterior paving and associated site work. The single story building is a wood framed building with restrooms, pool equipment room, classroom, and student store approximately 3,232 S.F. The pool is a 31 meter pool with two diving boards, musco lighting, colorado timing system, and has approximately 16,477 S.F. of deck area.