There should be a top limit for temperatures in the classrooms.
Wynne's response in the Legislature was callous and demeaning to all who learn and work in the older schools with no AC.
Wynne was able to move her meeting to a cooler room.  All teachers cannot move all classes to a cooler room.  
Wynne doesn't have 25-30 children coming into the room 4 times a day after playing outside to sit in close proximity for 5 hours.  The classroom temperature elevates about 10 degrees when they come inside, and there is no relief.
Until AC is in the older schools, students should be sent home when the temperatures exceed 34 degrees C in the room.
Good luck on that though because the Boards don't give any money to the old schools as they spend the money on the new suburban schools which have all the bells and whistles - atriums, music rooms, AC, drama rooms, small support rooms, comfortable staff rooms.
Yet it is the older, more established neighbourhoods whose taxes who pay for those new schools.