Share with Parents
Help other parents find this calendar
Summer Break
School year ended
Next 7 Days
July 2026
School Breaks
Holidays (No School)
The Tri-City Community Unit School District 1 school calendar for the 2025-26 school year runs from Friday, August 15, 2025 to Thursday, May 21, 2026 in Buffalo, Illinois.
- •4 scheduled breaks and 5 holidays throughout the year
- •Spring break: Mar 16 – Mar 20
- •Winter break: Dec 22 – Jan 2
Tri-City Community Unit School District 1 starts school 174 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 Tri-City Community Unit School District 1 dates with your phone or computer.
Frequently Asked Questions
Is Tri-City Community Unit School District 1 school open today?
No, the 2025-26 school year has ended.
When is the next day off for Tri-City Community Unit School District 1?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for Tri-City Community Unit School District 1?
The first day of school for Tri-City Community Unit School District 1 in 2025-26 is Friday, August 15, 2025.
When is the last day of school for Tri-City Community Unit School District 1?
The last day of school for Tri-City Community Unit School District 1 in 2025-26 is Thursday, May 21, 2026.
When is spring break for Tri-City Community Unit School District 1?
Spring break for Tri-City Community Unit School District 1 is Monday, March 16, 2026 to Friday, March 20, 2026.
When is winter break for Tri-City Community Unit School District 1?
Winter break for Tri-City Community Unit School District 1 is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in Tri-City Community Unit School District 1 return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Tri-City Community Unit School District 1?
Thanksgiving break for Tri-City Community Unit School District 1 is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add Tri-City Community Unit School District 1 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.
What school district is Buffalo, IL in?
Buffalo, Illinois is served by Tri-City Community Unit School District 1. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Buffalo?
School in Buffalo (Tri-City Community Unit School District 1) starts on Friday, August 15, 2025 for the 2025-26 school year.
Get Calendar Alerts
We'll email you when Tri-City Community Unit School District 1 updates their calendar.
Other Illinois Districts
Last updated: December 19, 2025
Source: Tri-City Community Unit School District 1 Official Calendar