University of Minnesota. Center for Applied Research and Educational ImprovementWahlstrom, KylaFreeman, CarolHeymans, MarkPerushek, Barbara A.Bemis, AmyMarshall, KathySchneider, JaneWrobel, G.2016-05-172016-05-171997-01https://hdl.handle.net/11299/1803521 online resource (PDF, 26 pages)enSchool start time study: final report summaryReport