⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Columbia CUSD 4
Illinois · 1,990 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 25 – Nov 25
Winter
Dec 23 – Dec 24
Spring
Apr 1 – Apr 2
Last day
May 27
Breaks & no-school days
Day off
Starts
Ends
Teacher Collaboration Days - No School (End)
Jump Start Day
—
Labor Day - No School
—
Teacher Collaboration Day - No School
—
Teacher Collaboration Day - No School
—
Teacher Collaboration Day - No School
—
No School
—
Thanksgiving Break
—
Teacher Paid Holiday - No School
—
Thanksgiving Break
—
Winter Break
Teacher Paid Holiday - No School
—
Winter Break
Teacher Collaboration Day - No School
—
Martin Luther King, Jr. Day - No School
—
Teacher Collaboration Day - No School
—
Teacher Paid Holiday - No School
—
Teacher Collaboration Day - No School
—
Spring Break
Teacher Collaboration Day - No School
—
Teacher Collaboration Day
—
Memorial Day
—
Juneteenth - No School
—
School dayDay offHalf dayEstimated — not yet confirmed by the district