The document reports on recent movements regarding day schools within city school systems; reviews on other activities, such as night schools, continuation schools special schools, etc. may appear in other chapters of the Biennial Survey of Education. This bulletin summarizes findings with regard to: administration, including adapting the school to individual differences; teachers' salaries, including equal pay for men and women, and recent salary schedules; growth of work-study-play or platoon schools; research and tests; the all-year school movement; improvement of teachers in service, including demonstration lessons, sabbatical leave, and ratings; the elementary school curriculum; and the junior high school, including forms of organization, and housing. (Contains 18 footnotes.) [Best copy available has been provided.]