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Official School Calendar for Academic Year 2026–2027
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Arlington Heights School District 25 Calendar (2026-2027)
Calendar by educounty.net
| Date | Event |
|---|---|
| August 17, 2026 | Institute Day |
| August 18, 2026 | Institute Day |
| August 19, 2026 | Teaming Day |
| August 20, 2026 | First Day of School |
| September 7, 2026 | Labor Day – All Schools Closed |
| September 21, 2026 | Non-Attendance Day – All Schools Closed |
| October 21, 2026 | Middle School 1st Quarter Ends |
| October 22, 2026 | Parent/Teacher Conferences – Staff Only |
| October 23, 2026 | Parent/Teacher Conferences – Staff Only |
| October 30, 2026 | Middle School Progress Reports |
| November 3, 2026 | Election Day – All Schools Closed |
| November 13, 2026 | Elementary 1st Trimester Ends |
| November 20, 2026 | Elementary Progress Reports |
| November 23, 2026 | Non-Attendance Day – All Schools Closed |
| November 24, 2026 | Non-Attendance Day – All Schools Closed |
| November 25, 2026 | Non-Attendance Day – All Schools Closed |
| November 26, 2026 | Thanksgiving Day – All Schools Closed |
| November 27, 2026 | Non-Attendance Day – All Schools Closed |
| December 21-31, 2026 | Winter Break – All Schools Closed |
| January 1, 2027 | Winter Break – All Schools Closed |
| January 4, 2027 | School Improvement Day – Staff Only |
| January 15, 2027 | Middle School 2nd Quarter Ends |
| January 18, 2027 | Martin Luther King Jr. Day – All Schools Closed |
| January 22, 2027 | Middle School Progress Reports |
| February 12, 2027 | Parent/Teacher Conferences – Staff Only |
| February 23, 2027 | Election Day – All Schools Closed |
| February 26, 2027 | Elementary 2nd Trimester Ends |
| March 5, 2027 | Elementary Progress Reports |
| March 19, 2027 | Middle School 3rd Quarter Ends |
| March 22-26, 2027 | Spring Break – All Schools Closed |
| April 2, 2027 | Middle School Progress Reports |
| April 6, 2027 | School Improvement Day (Election Day) – Staff Only |
| May 28, 2027 | School Improvement Day – Staff Only |
| May 31, 2027 | Memorial Day – All Schools Closed |
| June 3, 2027 | Last Day of School |
| June 4, 2027 | Records Day – Staff Only |
Arlington Heights School District 25 Calendar 2026-2027 FAQ
When is the first day of school in Arlington Heights School District 25 for 2026-2027?
The first day of school is Thursday, August 20, 2026.
When is spring break in Arlington Heights School District 25 for 2026-2027?
Spring break is from Monday, March 22, 2027 through Friday, March 26, 2027.
When is Christmas break in Arlington Heights School District 25 for 2026-2027?
Christmas break falls during winter break from Monday, December 21, 2026 through Friday, January 1, 2027.
When is winter break in Arlington Heights School District 25 for 2026-2027?
Winter break is from Monday, December 21, 2026 through Friday, January 1, 2027.
When is Thanksgiving break in Arlington Heights School District 25 for 2026-2027?
Thanksgiving break is from Monday, November 23, 2026 through Friday, November 27, 2026, with Thanksgiving Day on November 26, 2026.
When is the last day of school in Arlington Heights School District 25 for 2026-2027?
The last day of school is Thursday, June 3, 2027.
When is Labor Day in Arlington Heights School District 25 for 2026-2027?
Labor Day is observed on Monday, September 7, 2026, and schools are closed.
When is Martin Luther King Jr. Day in Arlington Heights School District 25 for 2026-2027?
Martin Luther King Jr. Day is on Monday, January 18, 2027, and schools are closed.
When is Memorial Day in Arlington Heights School District 25 for 2026-2027?
Memorial Day is on Monday, May 31, 2027, and schools are closed.
When are parent-teacher conferences in Arlington Heights School District 25 for 2026-2027?
Parent-teacher conferences are scheduled for October 22–23, 2026 and February 12, 2027.
Calendar Disclaimer
Dates are sourced from the official Arlington Heights School SD25 26-27 Calendar [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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