Complex sentence: Not only is Canby High known for its great sports teams, but also for its renowned Applied Technology Center, which contains many large classrooms, a manufacturing room, and several dozen state of the art Computers.
Split into simpler sentences: Not only is Canby High known for its great sports teams, but for it's renowned Applied Technology Center (ATC). The building contains many large classrooms, a manufacturing room, and several dozen state of the art Computers.