It's understood 400 pupils had to be led to safety from Catherine Junior School and taken to the nearby infants school at around 2pm.
At its height 46 firefighters were at the scene.
A building inspector from the city council was on the scene to check the safety of the building.
The fire started in the roof.
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Paul Gunter launched the campaign after discovering that there was no current war memorial for his nephew.
Witnesses who saw the incident said that the man threw the dog in the air a number of times and let her drop to the floor.
Very windy across northern areas this morning. Feeling fresher.