Schools
Back To School: District 99 2025-26 Academic Calendar
Students return Aug. 18 to Community High School District 99 for the start of a new school year.
DOWNERS GROVE, IL — There are just a few short weeks of summer left until students head back to school. Back-to-school planning has already begun at Community High School District 99, with calendars available to help parents prepare their children for a smooth transition into the 2025-2026 school year.
The first day of school is set for Aug. 18 for all District 99 students.
Here's a look at some dates to know for the upcoming school year:
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Aug. 18: First day of school
Sept. 1: Labor Day; no school
Find out what's happening in Downers Grovefor free with the latest updates from Patch.
Oct. 10: Conferences; no student attendance
Oct. 13: No school
Nov. 26-Nov. 28: Thanksgiving Break
Dec. 19 - Jan. 2: Winter Break
Jan. 5: Teacher Institute; no school
Jan. 19: Martin Luther King Jr. Day; no school
Feb. 16: Presidents' Day; no school
Feb. 27: County Institute Day; no school for students
March 27-April 3: Spring Break
May 17: Graduation
May 21: Second semester ends
May 25: Memorial Day; no school
May 26 - May 29: Emergency Days
June 1: Emergency Days
June 19: Juneteenth
Heading into the upcoming school year, some dates are subject to change. We also suggest that you check the District 99 2025-26 calendar for conferences, open houses, meetings, exams, early dismissals, athletics and other school events.
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