This document is a bound copy of reports of the U.S. Commissioner of Education for 1940, 1941, 1941-42, 1942-43, and 1944. Each report provides discussion and data on U.S. education across sectors and jurisdictions, and the programs and organization of the Office of Education. Topics presented in the reports include general education, vocational education, vocational rehabilitation, educational radio, training workers for the national defense, overview of the defense training program, training programs for less-than-college-level persons, engineering defense training, general services to education, higher education, comparative education, special problems in education, statistics, library services, health and physical education, industrial arts education, tests and measurements, vocational education services, agricultural education, home economics education, business education, occupational information and guidance, public service training, research in vocational fields, appropriations for vocational education, vocational rehabilitation expansion, five-year summary of the federal forum project, Civilian Conservation Corps (CCC) educational activities and CCC-education served youth and defense, educational radio, visual aids for war training inter-American educational relations, High School Victory Corps, adult and civic education, trade and industrial education, post-war planning, emergency war training services for the blind, visual aids for war training, and the Office of Education's reorganization.