Illinois School Calendar 2025-2026

Illinois has 854 public school districts serving 1.8M students. This page covers the 2025-2026 school year with day-level calendar data for every district.

854
Districts
1.8M
Students
2025-2026
School Year

Key Dates

Earliest First Day
August 1, 2025
Latest Last Day
June 30, 2026
Peak Spring Break
March 23, 2026
School Year
2025-2026

Schools on Break This Week

In session <1K 5K-10K 20K-50K 100K+

Largest Districts in Illinois

The 10 largest school districts by enrollment, with their 2025-2026 calendar dates:

DistrictEnrollmentFirst DayLast DaySchool Days
Chicago Public Schools Dist 299322,809Aug 1Jun 4192
SD U-4635,082Aug 14Jun 1193
Rockford SD 20527,661Aug 21May 22197
Indian Prairie CUSD 20425,950Aug 19May 28172
Plainfield SD 20224,856Aug 1May 19186
CUSD 30020,443Aug 19May 22186
CUSD 30816,851Aug 21May 22185
Naperville CUSD 20316,073Aug 14May 22174
Schaumburg CCSD 5415,074Aug 11May 22190
Valley View CUSD 365U14,847Aug 18May 22189

Spring Break in Illinois

The peak spring break day in Illinois is March 23, 2026, when 150 districts (648K students) are on break.

Break Types

Breakdown of non-school days across all Illinois districts (excludes weekends and summer):

Break TypeStudent-DaysDistricts
Winter Break11.9M student-days642
Spring Break6.9M student-days661
Thanksgiving Break2.0M student-days383
Labor Day788K student-days257
Memorial Day748K student-days234
Thanksgiving Holiday713K student-days12

Want This Data in Your Pipeline?

Get day-level calendar data for all 854 Illinois districts via API. $99/mo for full access.

Get API Access →

API docs · Free sample