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Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Illini Central Community Unit School District 189 school calendar for the 2026-27 school year runs from Wednesday, August 19, 2026 to Thursday, May 27, 2027 in Mason City, Illinois.
- •2 scheduled breaks and 7 holidays throughout the year
- •Spring break: Mar 29 – Apr 2
- •Winter break: Dec 21 – Jan 1
Illini Central Community Unit School District 189 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 Illini Central Community Unit School District 189 dates with your phone or computer.
Frequently Asked Questions
Is Illini Central Community Unit School District 189 school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Illini Central Community Unit School District 189?
The next day off is Monday, October 12, 2026 for Columbus Day.
When is the first day of school for Illini Central Community Unit School District 189?
The first day of school for Illini Central Community Unit School District 189 in 2026-27 is Wednesday, August 19, 2026.
When is the last day of school for Illini Central Community Unit School District 189?
The last day of school for Illini Central Community Unit School District 189 in 2026-27 is Thursday, May 27, 2027.
When is spring break for Illini Central Community Unit School District 189?
Spring break for Illini Central Community Unit School District 189 is Monday, March 29, 2027 to Friday, April 2, 2027.
When is winter break for Illini Central Community Unit School District 189?
Winter break for Illini Central Community Unit School District 189 is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Illini Central Community Unit School District 189 return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Illini Central Community Unit School District 189?
Thanksgiving break dates for Illini Central Community Unit School District 189 are not yet available.
How do I add Illini Central Community Unit School District 189 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 Mason City, IL in?
Mason City, Illinois is served by Illini Central Community Unit School District 189. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Mason City?
School in Mason City (Illini Central Community Unit School District 189) starts on Wednesday, August 19, 2026 for the 2026-27 school year.
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Last updated: September 29, 2026
Source: Illini Central Community Unit School District 189 Official Calendar