⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Summit SD 104
Illinois · 1,459 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 26 – Nov 26
Winter
Dec 24 – Dec 24
Spring
Apr 5 – Apr 5
Last day
May 27
Breaks & no-school days
Day off
Starts
Ends
Support Services Training
—
New Teacher Orientation
—
New Teacher Orientation
—
Teacher Professional Development Day
—
Teacher Training
—
Teacher Training Day
—
Kindergarten Assessment Week
—
Kindergarten Day
—
Fall Break
—
Teacher Professional Development Day
—
Thanksgiving Break
—
Winter Break
—
Mlk Day
—
Teacher Professional Development Day
—
Presidents Day
—
Spring Break
—
Memorial Day
—
School dayDay offHalf dayEstimated — not yet confirmed by the district