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School Break
Spring Break
Apr 1 - Apr 6
Next 7 Days
5 days offApril 2026
Coming Up
School Breaks
Holidays (No School)
The O'Fallon Township High School District 203 school calendar for the 2025-26 school year runs from Tuesday, August 12, 2025 to Wednesday, May 27, 2026 in Illinois.
- •3 scheduled breaks and 6 holidays throughout the year
- •Spring break: Apr 1 – Apr 6
- •Winter break: Dec 22 – Jan 5
O'Fallon Township High School District 203 starts school 177 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 O'Fallon Township High School District 203 dates with your phone or computer.
Frequently Asked Questions
Is O'Fallon Township High School District 203 school open today?
No, O'Fallon Township High School District 203 is currently on Spring Break (Apr 1 - Apr 6).
When is the next day off for O'Fallon Township High School District 203?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for O'Fallon Township High School District 203?
The first day of school for O'Fallon Township High School District 203 in 2025-26 is Tuesday, August 12, 2025.
When is the last day of school for O'Fallon Township High School District 203?
The last day of school for O'Fallon Township High School District 203 in 2025-26 is Wednesday, May 27, 2026.
When is spring break for O'Fallon Township High School District 203?
Spring break for O'Fallon Township High School District 203 is Wednesday, April 1, 2026 to Monday, April 6, 2026.
When is winter break for O'Fallon Township High School District 203?
Winter break for O'Fallon Township High School District 203 is Monday, December 22, 2025 to Monday, January 5, 2026.
When do students go back to school after winter break?
Students in O'Fallon Township High School District 203 return to school after winter break on Tuesday, January 6, 2026. Winter break ends on Monday, January 5, 2026.
When is Thanksgiving break for O'Fallon Township High School District 203?
Thanksgiving break for O'Fallon Township High School District 203 is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add O'Fallon Township High School District 203 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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Other Illinois Districts
Last updated: December 19, 2025
Source: O'Fallon Township High School District 203 Official Calendar