For all school break dates look (LINK) here. It is the best list I have found.
dont have an answer
March 15 - 19, 2010
They have their spring break in 2009 March 9-March 13
The week of March 22, 2010
i think is the 2nd week of march
March 30th is the first day of Spring Break.
March 14-18, 2010
March 29th thru April 2, 2010
This question is now out-dated
The week of March 8 - 12, 2010
Spring break 2010 for Oregon is 3/20 to 3/28/2010
Spring Break Challenge 2010 - 2010 was released on: USA: 1 March 2010