For the 2026–2027 school year, the district serves 2,700 students across 5 schools in Illinois. Classes begin August 13, 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 Marquardt School District 15 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Marquardt School District 15. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Marquardt School District 15's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Marquardt School District 15 D15.
Sources and Checks
Where these dates come from
How the 2026–2027 Marquardt School District 15 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Marquardt School District 15 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against d15.us.
- ✓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 Marquardt School District 15 before booking around a date.
Common Questions
Frequently Asked Questions
Marquardt School District 15 Calendar 2026–2027 — important dates and answers.
The first day of school for grades 1-8 is August 13, 2026, and for Pre-K it is August 18, 2026.
Spring break is scheduled from March 29 to April 2, 2027.
Christmas break falls within the winter break from December 21, 2026 to January 1, 2027.
Winter break runs from December 21, 2026 through January 1, 2027.
Thanksgiving break (Fall Break) is from November 24 to November 27, 2026.
The last day of school for all students is May 21, 2027.
Labor Day is observed on September 7, 2026, and there is no school on this day.
Martin Luther King Jr. Day is on January 18, 2027, and schools are closed.
Presidents' Day is observed on February 15, 2027, with no school.
Parent-Teacher Conferences are scheduled for November 23, 2026 and March 4, 2027.
Yes, non-attendance days are on March 5, 2027 and March 26, 2027.
Memorial Day is on May 31, 2027, and there is no school.
Explore More
Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.