MENOMONEE FALLS -- Menomonee Falls police are investigating a break-in that happened at Menomonee Falls High School overnight.
On Tuesday, May 31st, Menomonee Falls High School Principal Corey Golla sent a letter to parents explaining that someone used a key to access all rooms -- including those with private materials in them.
School officials believe this was only a prank, but senior students were warned about having their graduate privileges taken away if they were involved, or if the pranks continue.
Below is the letter from Principal Golla: