Share with Parents
Help other parents find this calendar
Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Center Cass School District 66 school calendar for the 2026-27 school year runs from Wednesday, August 19, 2026 to Tuesday, June 1, 2027 in Illinois.
- •3 scheduled breaks and 5 holidays throughout the year
- •Spring break: Mar 26 – Apr 2
- •Winter break: Dec 21 – Dec 31
Center Cass School District 66 starts school 195 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 Center Cass School District 66 dates with your phone or computer.
Frequently Asked Questions
Is Center Cass School District 66 school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Center Cass School District 66?
The next day off is Monday, October 12, 2026 for Holiday - No School.
When is the first day of school for Center Cass School District 66?
The first day of school for Center Cass School District 66 in 2026-27 is Wednesday, August 19, 2026.
When is the last day of school for Center Cass School District 66?
The last day of school for Center Cass School District 66 in 2026-27 is Tuesday, June 1, 2027.
When is spring break for Center Cass School District 66?
Spring break for Center Cass School District 66 is Friday, March 26, 2027 to Friday, April 2, 2027.
When is winter break for Center Cass School District 66?
Winter break for Center Cass School District 66 is Monday, December 21, 2026 to Thursday, December 31, 2026.
When do students go back to school after winter break?
Students in Center Cass School District 66 return to school after winter break on Friday, January 1, 2027. Winter break ends on Thursday, December 31, 2026.
When is Thanksgiving break for Center Cass School District 66?
Thanksgiving break for Center Cass School District 66 is Monday, November 23, 2026 to Friday, November 27, 2026.
How do I add Center Cass School District 66 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.
Get Calendar Alerts
We'll email you when Center Cass School District 66 updates their calendar.
Other Illinois Districts
Last updated: September 29, 2026