Most likely the last week of March through the Tuesday of April 2nd since Passover starts on the eve of March 25, 2013 and ends the eve of Tuesday April 2nd, and Easter is March 31. Usually the school districts try to incorporate both celebrated holidays.
Oregon schools have spring break from March 24 - March 28.
high schools (and Univ. of colorado) spring break runs until march 30th. high schools vary their weeks often by county.
In parts of CT, spring break is April 14th - April 18th
Spring break 2008 can run from March 24th to April 4th.
Are you sure it is not spring break?
I'm guessing that it was probably in spring.
The same as other schools
The high school closest to me takes their spring break on March 21st and it ends on March 27.
April 30th
i think is the 2nd week of march
April 14, 2011
chiCAGO HIGH SCHOOLS SPRIN BREAK BIGINS FEBRUARY 20TH