Primary / Secondary School, School / University Sprinklers control fire at high school (Wheaton, IL) April 14, 2013 viking210 The fire occurred at Wheaton North High School at approximately 7 a.m. in a closet area within a classroom hallway. The fire was brought under control within several minutes by the fire sprinkler system. Classes were not in session at the time of the fire, but the school was occupied. All building occupants were safely evacuated. The fire did not cause any injuries.