Peoria Public Schools is dismissing classes early starting Wednesday through Friday due to the heat wave. Middle and High Schools will dismiss at 1 and primary schools dismiss at 2. Lunches will be served prior to dismissal each day. District 150 is turning some school buildings into cooling centers amid this week's heat wave. 10 of the district's 27 buildings do not have air conditioning systems. Students are also getting additional fans, ice and water if there's no air conditioning in the building.