https://nces.ed.gov/programs/digest/d10/tables/dt10_063.asp?referrer=list
Private elementary and secondary enrollment, number of schools, and average tuition, by school...
The primary purpose of the Digest of Education Statistics is to provide a compilation of statistical information covering the broad field of American education...
elementary and secondaryenrollment number
https://nces.ed.gov/programs/digest/d05/tables/dt05_085.asp?referrer=list
Number of regular public school districts, by enrollment size of district: Selected years, 1990-91...
The primary purpose of the Digest of Education Statistics is to provide a compilation of statistical information covering the broad field of American education...