Even as students were out of school due to a water leak Tuesday, work continued on the massive north gym addition at Champaign Central High School. The space will house three basketball courts, with room for other activities, as part of Unit 4’s six-school, nine-figure referendum projects. News-Gazette photo Editor Robin Scholz was led on a tour of Central’s work zone by Central Principal Joe Williams and O’Shea Project Superintendent Dale Aldrich — from the new locker rooms to basement classrooms.