Collins, Alvin Lewis2015-09-142015-09-1419571957b14684378https://hdl.handle.net/2144/13011Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.A comparison of the half-day school to the full-day school in relation to total educational achievement, reading achievement, and arithmetic achievement.Thesis/Dissertation