Illinois school district calendars 2026-27

What the Illinois calendars show

2 Illinois districts are covered so far, each with dates linked to the district's own calendar. First days run from Monday, August 17, 2026 (Indian Prairie CUSD 204) to Monday, August 24, 2026 (Chicago Public Schools Dist 299), with a median of Monday, August 17.

Last days of school fall between Friday, May 28, 2027 and Friday, June 11, 2027, with a median of Friday, May 28. In the week of Thanksgiving, 1 district with 5 weekdays off and 1 district with 2 weekdays off.

1 calendar is marked approved and 0 calendars are marked tentative in the sources; tentative calendars can still change. Every district row links to a page with the month-by-month calendar, the break lengths and the source link with the day we read it.

The dates for Chicago Public Schools Dist 299 begin with Monday, August 24, 2026 and end with Friday, June 11, 2027. Winter vacation is its longest listed break, covering 12 days between Monday, December 21 and Friday, January 1. There are 2 breaks in this calendar. Counting weekdays between those endpoints and removing the listed breaks, holidays and teacher workdays leaves 182 potential weekdays. The first week contains 5 potential weekdays and the final week contains 5. These counts use only the exceptions listed here; missing closures can reduce them. They are not verified attendance totals.

For Indian Prairie CUSD 204, the student year runs from Monday, August 17, 2026 through Friday, May 28, 2027. Of its 3 listed breaks, Winter Break lasts longest: 12 days, beginning Monday, December 21 and ending Friday, January 1. Counting weekdays between those endpoints and removing the listed breaks, holidays and teacher workdays leaves 172 potential weekdays. The first week contains 5 potential weekdays and the final week contains 5. These counts use only the exceptions listed here; missing closures can reduce them. They are not verified attendance totals.