Illinois. Office of the Superintendent of Public Instruction. Division of Research, Planning, and Development.

• 1970 assessed valuations and 1971 tax rates, Illinois public schools
• Fall pupil enrollment and teacher statistics: independent, parochial, and private schools, State of Illinois, 1971-1972 school year
• Illinois public school districts, 1971-1972 school year
• Pupil transportation statistics, Illinois public schools, 1971-1972