For the 2026–2027 school year, the district serves 6 schools in Illinois. Classes begin August 20, 2026 and end June 4, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with School District 143 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for School District 143. Click any page to open the full-size image.
School Calendar
Interactive Calendar
School District 143's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for School District 143 SD.
Sources and Checks
Where these dates come from
How the 2026–2027 School District 143 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar School District 143 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against sd143.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 School District 143 before booking around a date.
Common Questions
Frequently Asked Questions
School District 143 Calendar 2026–2027 — important dates and answers.
The first day of school for students in School District 143 for the 2026-2027 school year is August 20, 2026.
Spring Break begins on March 29, 2027, and students return to school on April 5, 2027.
Christmas Break begins on December 23, 2026 and continues through Winter Break until students return on January 7, 2027.
Winter Break starts on December 23, 2026, and students return to school on January 7, 2027.
Thanksgiving Break is scheduled from November 23 through November 27, 2026. There will be no school during these dates.
The last day of school for students is June 4, 2027.
Labor Day is observed on September 7, 2026, and there will be no school.
Parent-Teacher Conferences are scheduled for October 8-9, 2026 and February 16, 2027. October 9 and February 16 are no-school days for students.
Martin Luther King Jr. Day will be observed on January 18, 2027, and schools will be closed.
Presidents Day falls on February 15, 2027, and there will be no school.
Memorial Day is observed on May 31, 2027. Schools will be closed for the holiday.
Yes. Teacher Institute Days (no school for students) are scheduled on August 17, August 18, November 2, 2026, and January 6, 2027.
Yes. Half-Day In-Service days are scheduled on September 25, October 8, December 22, 2026, February 5, and May 28, 2027.
Good Friday will be observed on March 26, 2027, and there will be no school.
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Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.