With regard to administration, three types of schools for mentally defective children are represented in this report: State institutions, private institutions, and city day schools. This bulletin covers the following topics: (1) Types of schools represented; (2) Number of schools reporting; (3) Instructors; (4) Assistants; (5) Enrollment in schools and classes for feeble-minded and subnormal children; (6) What children in schools and classes for the feeble-minded and subnormal study; (7) Pupils per teacher; (8) Per capita valuation of property in schools for the feeble-minded; and (9) Per capita cost in schools for the feeble-minded. (Contains 12 tables and 8 figures.) [Prepared by the Statistical Division of the Bureau of Education under the supervision of H. R. Bonner, Collector and Compiler of Statistics. Best copy available has been provided.]