Official School Calendar for Academic Year 2026-2027
Clinton Unit School District #15 2026–27 calendar dates
| Date | Event |
|---|---|
| Aug 13, 2026 | No School - Teacher Institute |
| Aug 14, 2026 | No School - Teacher Institute |
| Aug 17, 2026 | First Day of School / 1:30 Dismissal |
| Sep 7, 2026 | No School - Labor Day |
| Sep 16, 2026 | 1:30 Dismissal |
| Sep 28, 2026 | No School - Teacher Institute |
| Oct 1, 2026 | CHS & CJHS Parent Teacher Conferences |
| Oct 12, 2026 | No School - Columbus Day |
| Oct 13, 2026 | CHS & CJHS Parent Teacher Conferences |
| Oct 16, 2026 | End of 1st Quarter |
| Oct 21, 2026 | 1:30 Dismissal |
| Oct 27, 2026 | CES Parent Teacher Conferences |
| Oct 29, 2026 | CES Parent Teacher Conferences |
| Nov 3, 2026 | No School - Election Day |
| Nov 13, 2026 | End of 1st Trimester (Lincoln & Douglas) |
| Nov 17, 2026 | Lincoln & Douglas Parent Teacher Conferences |
| Nov 19, 2026 | Lincoln & Douglas Parent Teacher Conferences |
| Nov 25-27, 2026 | No School - Thanksgiving Break |
| Dec 2, 2026 | 1:30 Dismissal |
| Dec 18, 2026 | 1:30 Dismissal / End of 2nd Quarter |
| Dec 21, 2026 - Jan 1, 2027 | No School - Holiday Break |
| Jan 4, 2027 | No School - Teacher Institute |
| Jan 18, 2027 | No School - Martin Luther King Day |
| Feb 3, 2027 | 1:30 Dismissal |
| Feb 15, 2027 | No School - President's Day |
| Feb 26, 2027 | End of 2nd Trimester (Lincoln & Douglas) |
| Mar 5, 2027 | End of 3rd Quarter |
| Mar 10, 2027 | 1:30 Dismissal |
| Mar 25, 2027 | 1:30 Dismissal |
| Mar 26 - Apr 2, 2027 | No School - Spring Break |
| Apr 5, 2027 | No School - Teacher Institute |
| Apr 21, 2027 | 1:30 Dismissal |
| May 21, 2027 | Last Day of School / 1:30 Dismissal |
| May 21, 2027 | End of 4th Quarter & 3rd Trimester (Lincoln & Douglas) |
| May 24, 2027 | No School - Teacher Institute |
| May 25 - Jun 1, 2027 | Emergency Make-up Days |
| May 31, 2027 | No School - Memorial Day |
Clinton Unit School District #15 Calendar 26-27 pdf FAQs
When is the first day of school in Clinton Unit School District #15 for 2026-2027?
The first day of school for students in Clinton Unit School District #15 is August 17, 2026. Students will be dismissed at 1:30 PM on the first day.
When is Spring Break in Clinton Unit School District #15 for 2026-2027?
Spring Break is scheduled from March 26 through April 2, 2027. Classes resume on April 5, 2027, following a Teacher Institute Day.
When is Christmas Break in Clinton Unit School District #15 for 2026-2027?
Christmas Break (Holiday Break) begins on December 21, 2026 and continues through January 1, 2027.
When is Winter Break in Clinton Unit School District #15 for 2026-2027?
The district's Winter Break is the Holiday Break from December 21, 2026, through January 1, 2027.
When is Thanksgiving Break in Clinton Unit School District #15 for 2026-2027?
Thanksgiving Break is scheduled for November 25-27, 2026. There will be no school during these dates.
When is the last day of school in Clinton Unit School District #15 for 2026-2027?
The last day of school is May 21, 2027. Students will be dismissed at 1:30 PM.
When is Labor Day observed in Clinton Unit School District #15 during 2026-2027?
Labor Day is observed on September 7, 2026, and there is no school.
When is Columbus Day in Clinton Unit School District #15 for 2026-2027?
There is no school on October 12, 2026, in observance of Columbus Day.
When are Parent-Teacher Conferences in Clinton Unit School District #15 for 2026-2027?
Parent-Teacher Conferences are scheduled on October 1, October 13, October 27, October 29, November 17, and November 19, 2026.
When does the first quarter end in Clinton Unit School District #15?
The first quarter ends on October 16, 2026.
When does the second quarter end in Clinton Unit School District #15?
The second quarter ends on December 18, 2026, which is also a 1:30 PM dismissal day.
When does the third quarter end in Clinton Unit School District #15?
The third quarter ends on March 5, 2027.
When is Martin Luther King Jr. Day in Clinton Unit School District #15 for 2026-2027?
There is no school on January 18, 2027, in observance of Martin Luther King Jr. Day.
When is Presidents' Day in Clinton Unit School District #15 for 2026-2027?
Presidents' Day is observed on February 15, 2027, and there is no school.
When is Memorial Day in Clinton Unit School District #15 for 2026-2027?
Memorial Day is observed on May 31, 2027. There is no school on this day.
Are there Teacher Institute days during the Clinton Unit School District #15 2026-2027 school year?
Yes. Teacher Institute days are scheduled on August 13-14, September 28, 2026, January 4, April 5, and May 24, 2027. Students do not attend school on these dates.
Are there any scheduled 1:30 PM dismissal days during the 2026-2027 school year?
Yes. Early dismissal at 1:30 PM is scheduled on August 17, September 16, October 21, December 2, December 18, February 3, March 10, March 25, April 21, and May 21, 2027.
Are emergency make-up days included in the Clinton Unit School District #15 Calendar 2026-2027?
Yes. Emergency make-up days, if needed, are scheduled from May 25 through June 1, 2027.
Dates can change after publication. Read our calendar disclaimer.