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Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Williamsville Community Unit School District 15 school calendar for the 2026-27 school year runs from Tuesday, August 18, 2026 to Monday, May 24, 2027 in Williamsville, Illinois.
- •3 scheduled breaks and 5 holidays throughout the year
- •Spring break: Mar 22 – Mar 29
- •Winter break: Dec 21 – Jan 1
Williamsville Community Unit School District 15 starts school 194 days later than most Illinois districts. Winter break starts 364 days later than the most common Illinois schedule.
Download the iCal file above to sync all Williamsville Community Unit School District 15 dates with your phone or computer.
Frequently Asked Questions
Is Williamsville Community Unit School District 15 school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Williamsville Community Unit School District 15?
The next day off is Monday, October 12, 2026 for Columbus Day.
When is the first day of school for Williamsville Community Unit School District 15?
The first day of school for Williamsville Community Unit School District 15 in 2026-27 is Tuesday, August 18, 2026.
When is the last day of school for Williamsville Community Unit School District 15?
The last day of school for Williamsville Community Unit School District 15 in 2026-27 is Monday, May 24, 2027.
When is spring break for Williamsville Community Unit School District 15?
Spring break for Williamsville Community Unit School District 15 is Monday, March 22, 2027 to Monday, March 29, 2027.
When is winter break for Williamsville Community Unit School District 15?
Winter break for Williamsville Community Unit School District 15 is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Williamsville Community Unit School District 15 return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Williamsville Community Unit School District 15?
Thanksgiving break for Williamsville Community Unit School District 15 is Wednesday, November 25, 2026 to Friday, November 27, 2026.
How do I add Williamsville Community Unit School District 15 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 Williamsville, IL in?
Williamsville, Illinois is served by Williamsville Community Unit School District 15. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Williamsville?
School in Williamsville (Williamsville Community Unit School District 15) starts on Tuesday, August 18, 2026 for the 2026-27 school year.
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Last updated: August 29, 2026
Source: Williamsville Community Unit School District 15 Official Calendar