Russo, Rosalie V.2017-11-012017-11-0119601960b14699370https://hdl.handle.net/2144/24571Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Elementary schoolsMassachusettsA study of the length of the school day and year in elementary schools of MassachusettsThesis/Dissertation