For the 2026–2027 school year, the district serves 2,300 students across 6 schools in Illinois. Classes begin August 12, 2026 and end May 21, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Mannheim School District 83 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Mannheim School District 83. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Mannheim School District 83's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Mannheim School District 83 D83.
Sources and Checks
Where these dates come from
How the 2026–2027 Mannheim School District 83 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Mannheim School District 83 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against sd83.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 Mannheim School District 83 before booking around a date.
Common Questions
Frequently Asked Questions
Mannheim School District 83 Calendar 2026–2027 — important dates and answers.
The first day of school in Mannheim School District 83 for the 2026-2027 school year is August 12, 2026.
Spring break in Mannheim School District 83 is from March 26, 2027 through April 2, 2027.
Christmas break in Mannheim School District 83 runs from December 21, 2026 through January 1, 2027.
Winter break in Mannheim School District 83 is scheduled from December 21, 2026 through January 1, 2027.
Thanksgiving break in Mannheim School District 83 falls on November 26, 2026.
The last day of school in Mannheim School District 83 for the 2026-2027 school year is May 21, 2027.
Winter break ends on January 1, 2027, with students returning on January 5, 2027.
Labor Day is observed on September 7, 2026, and there is no school on this day.
Memorial Day is on May 31, 2027, and schools are closed.
Yes, teacher institute days are scheduled on August 11, 2026, November 24, 2026, and January 4, 2027.
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Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.