These are the school holidays in Essex - I'm not sure about other UK-counties:
In Austria, all states have Easter holidays from 31.03. until 10.04. 2007 and Whitsun holidays between 26.05. and 29.05.2007.
German holidays differ ...
In France, the school holidays are from April 13 untile the 2nd of May.
And in Spain ... who knows?