For the 2026–2027 school year, the district serves 1,700 students across 4 schools in Illinois. Classes begin August 26, 2026 and end June 3, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Winnebago School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Winnebago School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Winnebago School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Winnebago School District CUSD 323.
Sources and Checks
Where these dates come from
How the 2026–2027 Winnebago School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Winnebago School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against winnebagoschools.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 Winnebago School District before booking around a date.
Common Questions
Frequently Asked Questions
Winnebago School District Calendar 2026–2027 — important dates and answers.
The first day of student attendance in Winnebago School District for the 2026-2027 school year is Wednesday, August 26, 2026. Students will be dismissed early at 1:00 PM.
Spring Break in Winnebago School District is scheduled from Monday, March 22, 2027, through Friday, March 26, 2027.
Christmas Break begins on Monday, December 21, 2026 and continues through Friday, January 1, 2027.
Winter Break is observed from December 21, 2026, through January 1, 2027. Classes resume after the Teacher Institute Day on January 4, 2027.
Thanksgiving Break is scheduled from Wednesday, November 25, 2026, through Friday, November 27, 2026.
The last day of student attendance is Thursday, June 3, 2027. Students will be dismissed at 11:00 AM.
Teacher Institute Days are August 24-25, 2026, January 4, 2027, and April 23, 2027. There is no school for students on these dates.
Parent-Teacher Conferences are scheduled for November 4-5, 2026. Students will be dismissed early at 1:00 PM on both days.
Yes. Schools will be closed for Labor Day on Monday, September 7, 2026.
Winnebago School District will be closed on Monday, January 18, 2027 in observance of Martin Luther King Jr. Day.
Yes. There will be no school on Monday, February 15, 2027 for Presidents' Day.
Memorial Day will be observed on Monday, May 31, 2027, and there will be no school.
Yes. Emergency days are scheduled from Friday, June 4, 2027, through Thursday, June 10, 2027, if they are needed due to weather or other unforeseen school closures.
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Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.