It depends which country you are referring to.
spring break starts on March 29 and returning to school on April 6
Blud Cold - 2011 The Peterson's Vacation 1-1 was released on: USA: 7 April 2011
April 18th to the 26th
Anonymous - 2011 II was released on: USA: 30 April 2011 (Lovett School High School Film Fest) USA: 30 April 2011 (Santa Monica Teen Film Festival)
Waverley school says school is open on Wednesday 27th April 2011
for spring is April 28
Signal - 2011 was released on: USA: 16 April 2011 (UNC School of the Arts)
Hawaiian Vacation - 2011 was released on: Canada: 8 April 2011 (Sprockets Toronto International Film Festival for Children) USA: 22 May 2011 (Seattle International Film Festival) USA: 24 June 2011 Portugal: 7 July 2011 France: 27 July 2011 Japan: 30 July 2011
Hillaree the Hillbilly - 2011 The High School 1-9 was released on: USA: 27 April 2011
No Vacation - 2011 was released on: USA: 28 February 2011 (internet)
Spring break is a small vacation that is given to students in the second half of the school year. The date vary by school and state and usually occur in March and April.
Rachael Ray's Tasty Travels - 2005 Rachael's Vacation Barcelona was released on: USA: 29 April 2011