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Collinsville Community Unit School District #10 2026-2027 School Calendar Holidays, breaks, and no school days

Collinsville, IL

Next no-school day
Wednesday
November 11
Veterans Day
No-school days
25 weekdays
9 single days + 16 break days
First day
Monday
August 17
2026
Last day
Friday
May 28
2027
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School year at a glance

First Day Last Day No School Break Conferences Holiday School Day

Breaks and holidays

Is there school on Columbus Day (Indigenous Peoples' Day)?

Mon, Oct 12
No school

Is there school on Veterans Day?

Wed, Nov 11
No school

When is Thanksgiving break 2026?

Nov 25–27
5 days off with weekends

When is winter break 2026?

Dec 23 – Jan 1
12 days off with weekends

Is there school on Presidents' Day?

Mon, Feb 15
No school

When is spring break 2027?

Mar 26 – Apr 2
10 days off with weekends

All 2026-2027 dates

No-school days, breaks and schedule changes, month by month.

August 2026

  • Professional Development Day Thursday, August 13th No school
  • Professional Development Day Friday, August 14th No school
  • First Day of School Monday, August 17th First day

September 2026

  • Labor Day Monday, September 7th · Federal holiday No school
  • Professional Development Day Friday, September 18th No school

October 2026

  • Professional Development Day Friday, October 9th No school
  • Columbus Day / Indigenous Peoples' Day Monday, October 12th · Federal holiday No school
  • Parent-Teacher Conferences Thursday, October 29th Conferences
  • Parent-Teacher Conferences Friday, October 30th Conferences

November 2026

  • Election Day Tuesday, November 3rd · Not on the school calendar State holiday
  • Veterans Day Wednesday, November 11th · Federal holiday No school
  • Thanksgiving Break Wednesday, November 25th – Friday, November 27th · 3 school days off · Includes Thanksgiving Day (federal holiday), Day after Thanksgiving (state holiday) Break

December 2026

  • Winter Break Wednesday, December 23rd – Thursday, December 31st · 7 school days off · Includes Christmas Day (federal holiday) Break

January 2027

  • New Year's Day Friday, January 1st · Federal holiday No school
  • Professional Development Day Friday, January 15th No school
  • Martin Luther King Jr. Day Monday, January 18th · Not on the school calendar Federal holiday

February 2027

  • Lincoln's Birthday Friday, February 12th · Not on the school calendar State holiday
  • Presidents' Day Monday, February 15th · Federal holiday No school

March 2027

  • Casimir Pulaski Day Monday, March 1st No school
  • Spring Break Friday, March 26th – Friday, April 2nd · 6 school days off Break

May 2027

  • Last Day of School Friday, May 28th Last day
  • Memorial Day Monday, May 31st No school

June 2027

  • Professional Development Day Tuesday, June 1st No school

Schools using this calendar

12 schools follow the Collinsville Community Unit School District #10 calendar.

Browse all schools (A–Z)
C
Caseyville Elementary SchoolCollinsville High SchoolCollinsville Middle School
D
Dorris Intermediate Sch
H
Hollywood Heights
J
Jefferson Elem SchoolJohn A Renfro Elementary School
K
Kreitner Elem School
M
Maryville Elem School
S
Summit Elementary School
T
Twin Echo Elem School
W
Webster Elementary School

Frequently Asked Questions

When is the first and last day of school at Collinsville Community Unit School District #10 in 2026-2027?
The first day of school at Collinsville Community Unit School District #10 is Monday, August 17, 2026. The last day of school is Friday, May 28, 2027. That's a school year of about 41 weeks.
How many school days are in the 2026-2027 school year at Collinsville Community Unit School District #10?
About 180 school days: the weekdays from the first day to the last day, minus days off.
How many days off does Collinsville Community Unit School District #10 have in 2026-2027?
About 25 weekdays with no school, not counting weekends or summer. That's 16 weekdays of breaks plus nine single days off. There are also eight long weekends, where a Friday or Monday off joins the weekend.
What is the longest stretch of school without a day off?
Forty school days in a row (about eight weeks), from Monday, April 5 to Friday, May 28.

Simple Schedule is not affiliated with Collinsville Community Unit School District #10. Confirm important dates with the district or your school.

Source: Collinsville Community Unit School District #10.

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