With temperatures expected to soar into the mid-90s on Tuesday, Philadelphia public schools will dismiss at noon.

After-school activities are also cancelled.

Updated heat-related information will be available through the district's hotline, 215-400-INFO (4636).

Many of the district's buildings are old, and most have no air conditioning.

Philadelphia School District classes are scheduled to end for students on June 20, and for teachers on June 21.