Complex sentence: It also forced teachers to move to different classrooms and cancel RAISE, temporally, until lunchtime on December 15,2011, when the pipe and water damage was fixed, after four days of switched classes.
Split into simpler sentences: It also forced teachers to moved to different classrooms and cancel RAISE, temporally, while the damage was being fixed. The pipe and most water damage was fixed by lunchtime on December 15,2011 after a long four days of switched classes.