A study of Illinois school district effort and ability factors.
By: Prepared by Robert E. Pyle in cooperation with Fred Bradshaw.
Contributors: Illinois. Office of the Superintendent of Public Instruction.
Publisher: Issued by Office of the Superintendent of Public Instruction
Published: 1972
Place of publication: [Springfield?]
Language: eng
Number of pages: 59
Subjects: School districts -- Illinois -- Statistics.
Notes: Errata slip inserted.