School-level counts are based on enrollment and exit dates reported for individual students in the ISBE Student Information System (SIS). Official counts reflect students enrolled as of the last school day in September and are taken from SIS after October 15.
SIS page for information about enrolling and exiting students in SIS. Questions may be directed to the ISBE Help Desk at 217/558-3600.
The following file provides both directory and enrollment information for nonpublic schools:
Nonpublic School Directory and Enrollment Statistics