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School Open
Dismissal: 3:30 PM
Next 7 Days
4 days offApril 2026
Coming Up
2 this weekSchool Breaks
Holidays (No School)
The Thornton School District 154 school calendar for the 2025-26 school year runs from Tuesday, August 19, 2025 to Friday, May 29, 2026 in Illinois.
- •3 scheduled breaks and 8 holidays throughout the year
- •Spring break: Apr 6 – Apr 10
- •Winter break: Dec 22 – Dec 31
Thornton School District 154 starts school 170 days earlier than most Illinois districts. Winter break matches the most common Illinois schedule, starting 12/22.
Download the iCal file above to sync all Thornton School District 154 dates with your phone or computer.
Frequently Asked Questions
Is Thornton School District 154 school open today?
Yes, Thornton School District 154 is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Thornton School District 154?
The next day off is Friday, April 3, 2026 for Good Friday.
When is the first day of school for Thornton School District 154?
The first day of school for Thornton School District 154 in 2025-26 is Tuesday, August 19, 2025.
When is the last day of school for Thornton School District 154?
The last day of school for Thornton School District 154 in 2025-26 is Friday, May 29, 2026.
When is spring break for Thornton School District 154?
Spring break for Thornton School District 154 is Monday, April 6, 2026 to Friday, April 10, 2026.
When is winter break for Thornton School District 154?
Winter break for Thornton School District 154 is Monday, December 22, 2025 to Wednesday, December 31, 2025.
When do students go back to school after winter break?
Students in Thornton School District 154 return to school after winter break on Thursday, January 1, 2026. Winter break ends on Wednesday, December 31, 2025.
When is Thanksgiving break for Thornton School District 154?
Thanksgiving break for Thornton School District 154 is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add Thornton School District 154 calendar to my phone?
Click the "Add to Calendar" button at the top of this page to download the iCal (.ics) file. Then:
iPhone/iPad: Tap the downloaded file, then tap "Add All" to add events to your Calendar app.
Android: Open the file with Google Calendar, review the events, and tap "Import".
Google Calendar (web): Go to Settings → Import & Export → Select the .ics file → Import.
Outlook: Double-click the file or drag it into your Outlook calendar.
Apple Calendar (Mac): Double-click the file or go to File → Import → select the .ics file.
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Last updated: December 19, 2025