⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Cons HSD 230
Illinois · 7,719 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 23 – Nov 23
Winter
Dec 21 – Dec 21
Spring
Apr 1 – Apr 1
Last day
Jun 2
Breaks & no-school days
Day off
Starts
Ends
Professional Development
—
Teacher Prep Day
—
Labor Day Holiday
—
End 1St Quarter
—
Professional Development
—
Veterans Day Holiday
—
Thanksgiving Break
—
Thanksgiving Holidays
—
Thanksgiving Holidays
—
Winter Break
—
Winter Holidays
—
Winter Holidays
—
Winter Holidays
—
Winter Holiday/Winter Break
—
Winter Holiday/Winter Break
—
Winter Holiday/Winter Break
—
Teacher Prep Day
—
Martin Luther King Jr. Day Holiday
—
President'S Day Holidays
—
February Break Week
President'S Day Holidays
—
Spring Break
—
Spring Holiday
—
Memorial Day Holiday
—
Juneteenth Holiday
—
School dayDay offHalf dayEstimated — not yet confirmed by the district