Collinsville school calendar 2026–27
2026–27 school year
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First day of schoolThu, Aug 13, 2026District
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Teacher In-Service/Professional Development DayFri, Oct 9, 2026District
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Fall BreakThu, Oct 15 – Sun, Oct 25, 2026District11 days off
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Teacher In-Service/Professional Development DayFri, Nov 13, 2026District
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Thanksgiving BreakMon, Nov 23 – Sun, Nov 29, 2026District7 days off
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Winter BreakMon, Dec 21, 2026 – Sun, Jan 3, 2027District14 days off
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Teacher In-Service/Professional Development DayMon, Jan 4, 2027District
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Back to schoolTue, Jan 5, 2027District
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Martin Luther King Jr. DayMon, Jan 18, 2027District
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Teacher In-Service/Professional Development DayFri, Feb 12, 2027District
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Presidents' DayMon, Feb 15, 2027District
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Teacher In-Service/Professional Development DayFri, Mar 12, 2027District
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Spring BreakMon, Mar 15 – Sun, Mar 21, 2027District7 days off
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Teacher In-Service/Professional Development DayFri, Apr 16, 2027District
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Last day of schoolThu, May 20, 2027District
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Teacher In-Service/Professional Development DayFri, May 28, 2027District
Where these dates come from: the district’s published calendar. Subscribe on your school and your calendar updates itself when the district publishes changes or next year’s dates. Spotted a mistake? Tell us.
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Questions parents ask
When does school start in Collinsville for 2026–27?
The first day of school for the 2026–27 school year is Thu, Aug 13, 2026, per the district’s published calendar. Charter and private schools in the area can set their own start dates.
When is spring break in Collinsville in 2027?
Spring break runs Mon, Mar 15, 2027 through Sun, Mar 21, 2027, inclusive. Students return on the next school day.
When is the last day of school in Collinsville for 2026–27?
The last day of the 2026–27 school year is Thu, May 20, 2027.
Do all Collinsville schools follow this calendar?
District-run public schools follow it, including the single no-school days the district sets. Charter and private schools set their own calendars, so if your school is one of those, check with the school directly before booking anything.
How do I get these dates in my calendar?
Find your school with the school finder and subscribe to its calendar, free. The dates land in Apple, Google or Outlook calendars and keep themselves up to date: next year’s dates and any changes appear on their own.