For the 2026–2027 school year, the district serves 2,100 students across 5 schools in Illinois. Classes begin August 12, 2026 and end May 20, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Harrisburg Cusd #3 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Harrisburg Cusd #3. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Harrisburg Cusd #3's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Harrisburg Cusd #3 CUSD 3.
Sources and Checks
Where these dates come from
How the 2026–2027 Harrisburg Cusd #3 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Harrisburg Cusd #3 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against unit3.net.
- ✓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 Harrisburg Cusd #3 before booking around a date.
Common Questions
Frequently Asked Questions
Harrisburg Cusd #3 Calendar 2026–2027 — important dates and answers.
The first day of student attendance for Harrisburg Cusd #3 is August 12, 2026.
Spring Break is scheduled from April 5 through April 9, 2027. Students also have an early dismissal on April 2, 2027 before Spring Break begins, and classes resume on April 12, 2027.
Christmas Break is part of the Winter Break, which runs from December 21, 2026, through January 1, 2027.
Winter Break begins with an early dismissal on December 18, 2026. No school is scheduled from December 21, 2026, through January 1, 2027. Students return on January 5, 2027.
Thanksgiving Break includes an early dismissal on November 24, 2026, Parent Teacher Conference with no school on November 25, 2026, and Thanksgiving Break on November 26-27, 2026.
The last day of student attendance is May 20, 2027, with an 11:30 AM dismissal and a School Improvement Day.
Teacher's Institute days are August 10-11, 2026, October 9, 2026, and January 4, 2027 (no school for students).
Parent Teacher Conference no-school days are November 25, 2026 and February 12, 2027.
School Improvement Days are scheduled for September 25, 2026, January 29, 2027, February 26, 2027, April 30, 2027, and May 20, 2027. These days include an 11:30 AM dismissal.
Holidays observed include Labor Day (September 7, 2026), Columbus Day (October 12, 2026), Veterans Day (November 11, 2026), Martin Luther King Jr. Day (January 18, 2027), and Presidents Day (February 15, 2027).
Non-Attendance Days are scheduled for November 20, 2026 and March 26, 2027.
Yes. Emergency school days are reserved from May 21 through May 27, 2027, if needed due to weather or other school closures.
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Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.