For the 2026–2027 school year, the district serves 14 schools in Illinois. Classes begin August 20, 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 Belvidere District 100 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Belvidere District 100. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Belvidere District 100's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Belvidere District 100 CUSD.
Sources and Checks
Where these dates come from
How the 2026–2027 Belvidere District 100 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Belvidere District 100 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against district100.com.
- ✓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 Belvidere District 100 before booking around a date.
Common Questions
Frequently Asked Questions
Belvidere District 100 Calendar 2026–2027 — important dates and answers.
The first day of school for students in Belvidere District 100 for the 2026-2027 school year is August 20, 2026.
Spring Break is scheduled from March 22 through March 26, 2027. Students return to school after the break.
Christmas Break is part of the district's Winter Break, which begins on December 21, 2026 and continues through January 1, 2027.
Winter Break runs from December 21, 2026, through January 1, 2027. There are no classes during this period.
Thanksgiving Break is scheduled for November 25-27, 2026. Schools are closed during these dates.
The last day of school for students is May 24, 2027, unless emergency days are required.
Schools are closed for Labor Day on September 7, 2026.
Fall Break is observed on October 12, 2026.
SIP Days with no school for students are scheduled for October 9, 2026 and February 12, 2027.
Schools are closed for Veterans Day on November 11, 2026.
Martin Luther King Jr. Day is observed on January 18, 2027.
Schools are closed for Presidents' Day on February 15, 2027.
Yes. Emergency days are scheduled for May 25-28, 2027, with an additional emergency day on June 1, 2027, if needed.
Yes. Multiple early release days are scheduled throughout the school year for various grade levels, including September 9, October 14, November 4, November 16, December 9, January 13, January 19, February 10, March 1, March 10, April 14, and May 12.
Explore More
Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.