⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Chester N HSD 122
Illinois · 0 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 23 – Nov 27
Winter
Dec 21 – Jan 1
Spring
Mar 29 – Mar 31
Last day
May 26
Breaks & no-school days
Day off
Starts
Ends
Teacher In-Service (Start)
—
Teacher In-Service (End)
—
Labor Day
—
End Of 1St 9 Weeks
—
Columbus Day
—
Teacher In-Service / Veterans Day
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End Of 2Nd 9 Weeks
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Thanksgiving Break
Winter Break
Teacher In-Service (Start)
—
Teacher In-Service (End)
—
Martin Luther King, Jr. Day
—
Presidents Day
—
End Of 3Rd 9 Weeks
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Spring Break
Teacher In-Service (Start)
—
Teacher In-Service (End)
—
Memorial Day
—
Juneteenth
—
School dayDay offHalf dayEstimated — not yet confirmed by the district