Cook County School District 104 Calendar 26-27 Revised
Official School Calendar for Academic Year 2026-2027
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Cook County School District 104 Calendar (2026-2027)
Calendar by educounty.net
| Date | Event |
|---|---|
| Aug 10-12, 2026 | New Teacher Orientation |
| Aug 17, 2026 | Opening Day Teacher Institute #1 |
| Aug 18, 2026 | Teacher Institute #2 |
| Aug 19, 2026 | First Day of School (Grades 1-8) |
| Aug 19-20, 2026 | Kindergarten Orientation/Screening |
| Aug 21, 2026 | Kindergarten First Day of School |
| Sep 7, 2026 | Labor Day (No School) |
| Oct 9, 2026 | Teacher Institute #3 |
| Oct 12, 2026 | Indigenous Peoples Day (No School) |
| Nov 13, 2026 | End of 1st Trimester |
| Nov 20, 2026 | Report Cards Sent Home |
| Nov 23, 2026 | Parent/Teacher Conferences (No School) |
| Nov 24, 2026 | SIP/PLCs |
| Nov 25, 2026 | Non-Attendance Day (No School) |
| Nov 26, 2026 | Thanksgiving (No School) |
| Nov 27, 2026 | Non-Attendance Day (No School) |
| Dec 23, 2026 – Jan 8, 2027 | Winter Break (No School) |
| Jan 11, 2027 | Classes Resume Following Winter Break |
| Jan 18, 2027 | Martin Luther King Jr. Day (No School) |
| Feb 15, 2027 | President's Day (No School) |
| Feb 25, 2027 | End of 2nd Trimester |
| Feb 26, 2027 | Teacher Institute #4 |
| Mar 1, 2027 | Casimir Pulaski Day (No School) |
| Mar 5, 2027 | Report Cards Sent Home |
| Mar 19, 2027 | Early Dismissal (1:50 PM) |
| Mar 22-29, 2027 | Spring Break (No School) |
| Mar 30, 2027 | Classes Resume Following Spring Break |
| May 31, 2027 | Memorial Day (No School) |
| Jun 2, 2027 | Last Day of School (Early Dismissal 1:00 PM) |
| Jun 3-9, 2027 | Emergency Days (XED) |
Cook County School District 104 Calendar 26-27 Revised FAQs
When is the first day of school in Cook County School District 104 for 2026-2027?
The first day of school for students in Grades 1-8 is Wednesday, August 19, 2026. Kindergarten students begin school on Friday, August 21, 2026.
When is Spring Break in Cook County School District 104 for 2026-2027?
Spring Break is scheduled from Monday, March 22, 2027, through Monday, March 29, 2027. Classes resume on Tuesday, March 30, 2027.
When is Christmas Break in Cook County School District 104 for 2026-2027?
Christmas Break begins on Wednesday, December 23, 2026, and continues through Friday, January 8, 2027.
When is Winter Break in Cook County School District 104 for 2026-2027?
Winter Break runs from December 23, 2026, through January 8, 2027. Students return to school on Monday, January 11, 2027.
When is Thanksgiving Break in Cook County School District 104 for 2026-2027?
Thanksgiving Break includes Wednesday, November 25, 2026 (Non-Attendance Day), Thursday, November 26, 2026 (Thanksgiving), and Friday, November 27, 2026 (Non-Attendance Day). Classes resume on Monday, November 30, 2026.
When is the last day of school in Cook County School District 104 for 2026-2027?
The last day of school is Wednesday, June 2, 2027. Students will be dismissed early at 1:00 PM.
When is Labor Day in Cook County School District 104 for 2026-2027?
Labor Day is observed on Monday, September 7, 2026, and there is no school.
When is Indigenous Peoples Day in Cook County School District 104 for 2026-2027?
Indigenous Peoples Day is observed on Monday, October 12, 2026. There is no school on this day.
When does the first trimester end in Cook County School District 104 for 2026-2027?
The first trimester ends on Friday, November 13, 2026.
When are Parent-Teacher Conferences in Cook County School District 104 for 2026-2027?
Parent-Teacher Conferences are scheduled for Monday, November 23, 2026. There is no school for students on this day.
When is Martin Luther King Jr. Day in Cook County School District 104 for 2026-2027?
Martin Luther King Jr. Day is observed on Monday, January 18, 2027. Schools are closed.
When is Presidents Day in Cook County School District 104 for 2026-2027?
Presidents Day is observed on Monday, February 15, 2027. There is no school.
When does the second trimester end in Cook County School District 104 for 2026-2027?
The second trimester ends on Thursday, February 25, 2027.
When is Casimir Pulaski Day in Cook County School District 104 for 2026-2027?
Casimir Pulaski Day is observed on Monday, March 1, 2027. There is no school.
When is Memorial Day in Cook County School District 104 for 2026-2027?
Memorial Day is observed on Monday, May 31, 2027. Schools are closed.
Are emergency days included in the Cook County School District 104 Calendar 2026-2027?
Yes. The calendar designates June 3-9, 2027 as emergency (XED) days, which will only be used if emergency school closures occur during the school year.
Calendar Disclaimer
The printable school calendar provided on this page is taken from the official Cook County School District 104 Calendar 26-27 Revised. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.