For the 2026–2027 school year, the district serves 5,200 students across 2 schools in Illinois. Classes begin August 13, 2026 and end May 24, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Glenbrook High School District 225 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Glenbrook High School District 225. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Glenbrook High School District 225's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Glenbrook High School District 225 D225.
Sources and Checks
Where these dates come from
How the 2026–2027 Glenbrook High School District 225 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Glenbrook High School District 225 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against glenbrook225.org.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Glenbrook High School District 225 before booking around a date.
Common Questions
Frequently Asked Questions
Glenbrook High School District 225 Calendar 2026–2027 — important dates and answers.
The first day of school for students is August 13, 2026.
Spring break is from March 22 to March 26, 2027.
Christmas break is part of winter break and runs from December 21, 2026 to January 4, 2027.
Winter break is scheduled from December 21, 2026 through January 4, 2027.
Thanksgiving break takes place from November 25 to November 27, 2026.
The last day of school for students is May 24, 2027.
The second semester begins on January 5, 2027.
Labor Day break is on September 7, 2026.
Presidents’ Day (no school) is on February 15, 2027.
Memorial Day (no school) is on May 31, 2027.
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Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.