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Summer Break
School starts Aug 20
Next 7 Days
August 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Cass School District 63 school calendar for the 2026-27 school year runs from Thursday, August 20, 2026 to Friday, May 28, 2027 in Illinois.
- •3 scheduled breaks and 5 holidays throughout the year
- •Spring break: Mar 26 – Apr 2
- •Winter break: Dec 21 – Jan 1
Cass School District 63 starts school 196 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 Cass School District 63 dates with your phone or computer.
Frequently Asked Questions
Is Cass School District 63 school open today?
No, Cass School District 63 is currently on summer break. School starts Thursday, August 20, 2026.
When is the next day off for Cass School District 63?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Cass School District 63?
The first day of school for Cass School District 63 in 2026-27 is Thursday, August 20, 2026.
When is the last day of school for Cass School District 63?
The last day of school for Cass School District 63 in 2026-27 is Friday, May 28, 2027.
When is spring break for Cass School District 63?
Spring break for Cass School District 63 is Friday, March 26, 2027 to Friday, April 2, 2027.
When is winter break for Cass School District 63?
Winter break for Cass School District 63 is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Cass School District 63 return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Cass School District 63?
Thanksgiving break for Cass School District 63 is Wednesday, November 25, 2026 to Friday, November 27, 2026.
How do I add Cass School District 63 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: July 13, 2026