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Official School Calendar for Academic Year 2026–2027
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McHenry School District 15 Calendar (2026-2027)
Calendar by educounty.net
| Date | Event |
|---|---|
| Aug 17-18, 2026 | Teacher Institute Day – No School |
| Aug 19, 2026 | First Day of School |
| Sep 7, 2026 | Labor Day – No School |
| Sep 18, 2026 | Early Release Day |
| Oct 9, 2026 | Teacher Institute Day – No School |
| Oct 12, 2026 | No School |
| Nov 6, 2026 | Early Release Day / End of Trimester 1 |
| Nov 23-24, 2026 | Parent Teacher Conferences – No School |
| Nov 25-27, 2026 | Thanksgiving Break – No School |
| Dec 18, 2026 | Early Release Day |
| Dec 21, 2026 – Jan 1, 2027 | Winter Recess – No School |
| Jan 4, 2027 | Classes Resume |
| Jan 15, 2027 | Early Release Day |
| Jan 18, 2027 | Martin Luther King Jr. Day – No School |
| Feb 12, 2027 | Teacher Institute Day – No School |
| Feb 15, 2027 | Presidents’ Day – No School |
| Feb 19, 2027 | End of Trimester 2 |
| Mar 26, 2027 | Day of Non Attendance – No School |
| Mar 29 – Apr 2, 2027 | Spring Recess – No School |
| Apr 5, 2027 | Classes Resume |
| Apr 23, 2027 | Early Release Day |
| May 25, 2027 | Last Day of School for PreK |
| May 26, 2027 | Early Release Day / End of Trimester 3 / Last Day of School |
McHenry School District 15 2026-2027 Calendar FAQs
When is the first day of school in McHenry School District 15 2026-2027?
The first day of school in McHenry School District 15 for the 2026-2027 school year is August 19, 2026.
When is spring break in McHenry School District 15 2026-2027?
Spring break (Spring Recess) is from March 29, 2027 to April 2, 2027.
When is Christmas break in McHenry School District 15 2026-2027?
Christmas break is part of the Winter Recess from December 21, 2026 to January 1, 2027.
When is winter break in McHenry School District 15 2026-2027?
Winter break runs from December 21, 2026 through January 1, 2027.
When is Thanksgiving break in McHenry School District 15 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in McHenry School District 15 2026-2027?
The last day of school is May 26, 2027 (if no emergency days are used).
When do classes resume after winter break in McHenry School District 15 2026-2027?
Classes resume on January 4, 2027 after winter break.
When is Labor Day holiday in McHenry School District 15 2026-2027?
Labor Day is observed on September 7, 2026 and there is no school.
When is Martin Luther King Jr. Day in McHenry School District 15 2026-2027?
Martin Luther King Jr. Day is on January 18, 2027 and there is no school.
When is Presidents’ Day in McHenry School District 15 2026-2027?
Presidents’ Day is on February 15, 2027 and schools are closed.
When are Parent-Teacher Conferences in McHenry School District 15 2026-2027?
Parent-Teacher Conferences are scheduled for November 23 and November 24, 2026, and there is no school on those days.
When is the end of Trimester 1 in McHenry School District 15 2026-2027?
Trimester 1 ends on November 6, 2026.
When is the end of Trimester 2 in McHenry School District 15 2026-2027?
Trimester 2 ends on February 19, 2027.
When is the end of Trimester 3 in McHenry School District 15 2026-2027?
Trimester 3 ends on May 26, 2027.
Calendar Disclaimer
Dates are sourced from the official McHenry School District D15 Calendar 26-27 [PDF] website. Dates may change at the discretion of the district. Always verify with the official school website for the latest updates.
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