⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Lockport SD 91
Illinois · 533 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 25 – Nov 27
Winter
Dec 21 – Jan 1
Spring
Mar 30 – Apr 2
Last day
May 27
Breaks & no-school days
Day off
Starts
Ends
Teacher Institute Day
—
Teacher Institute Day
—
Labor Day
—
Student Non-Attendance Day - School Improvement Day
—
Columbus Day
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Election Day - No School
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Student Non-Attendance Day - School Improvement Day