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CUSD 21 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 4 teacher days

The CUSD 21 2026–27 school year runs from Aug 19, 2026 to Jun 1, 2027. Breaks include Thanksgiving break Nov 26, winter break Dec 21, and spring break Mar 22. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 19, 2026 First Day of School, Grades 1-8
School year ends Tue, Jun 1, 2027 Tentative Last Day of School
Next key date Wed, Aug 19, 2026 Counts down once the school year is under way

CUSD 21 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

CUSD 21 school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Parent-teacher conference
  • Other scheduled date

August 2026

  • Aug 17, 2026 — Institute Day (Staff Only)
  • Aug 18, 2026 — Institute Day (Staff Only)
  • Aug 19, 2026 — First Day of School, Grades 1-8
  • Aug 20, 2026 — First Day of School, Pre-K
  • Aug 20, 2026 — First Day of School, Kindergarten A

September 2026

  • Sep 7, 2026 — Labor Day - No School
  • Sep 21, 2026 — Yom Kippur - No School
  • Sep 30, 2026 — School Improvement Day

October 2026

  • Oct 12, 2026 — Columbus/Indigenous Peoples’ Day - No School
  • Oct 28, 2026 — Institute Day - No School

November 2026

  • Nov 3, 2026 — Election Day - No School
  • Nov 23, 2026 — Parent-Teacher Conferences (PM)
  • Nov 24, 2026 — Parent-Teacher Conferences (AM)
  • Nov 25, 2026 — Non-Attendance Day
  • Nov 26, 2026 — Thanksgiving - No School

December 2026

  • Dec 21, 2026 — Winter Break Begins

January 2027

  • Jan 4, 2027 — Institute Day - No School
  • Jan 5, 2027 — Classes Resume
  • Jan 18, 2027 — Dr. Martin Luther King, Jr.'s Birthday - No School

February 2027

  • Feb 15, 2027 — Presidents’ Day - No School
  • Feb 18, 2027 — School Improvement Day

March 2027

  • Mar 22, 2027 — Spring Break Begins
  • Mar 29, 2027 — Classes Resume

April 2027

  • Apr 6, 2027 — Election Day - No School

May 2027

  • May 7, 2027 — Non-Attendance Day
  • May 20, 2027 — School Improvement Day
  • May 31, 2027 — Memorial Day - No School

June 2027

  • Jun 1, 2027 — Tentative Last Day of School
  • Jun 18, 2027 — Juneteenth (Observed) - No School

July 2027

CUSD 21 teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Aug 17, 2026 Institute Day (Staff Only) District source
  • Aug 18, 2026 Institute Day (Staff Only) District source
  • Oct 28, 2026 Institute Day - No School District source
  • Jan 4, 2027 Institute Day - No School District source

CUSD 21 breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day - No School Holiday
  • Sep 21, 2026 Yom Kippur - No School Holiday
  • Oct 12, 2026 Columbus/Indigenous Peoples’ Day - No School Holiday
  • Nov 3, 2026 Election Day - No School Holiday
  • Nov 26, 2026 Thanksgiving - No School Holiday
  • Dec 21, 2026 Winter Break Begins Break
  • Jan 18, 2027 Dr. Martin Luther King, Jr.'s Birthday - No School Holiday
  • Feb 15, 2027 Presidents’ Day - No School Holiday
  • Mar 22, 2027 Spring Break Begins Break
  • Apr 6, 2027 Election Day - No School Holiday
  • May 31, 2027 Memorial Day - No School Holiday
  • Jun 18, 2027 Juneteenth (Observed) - No School Holiday

Your checked 2026/27 CUSD 21 planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now31 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated May 16, 2026.
Full term dates table

CUSD 21 2026–27 calendar dates

DateEvent
Aug 17, 2026Institute Day (Staff Only)
Aug 18, 2026Institute Day (Staff Only)
Aug 19, 2026First Day of School, Grades 1-8
Aug 20, 2026First Day of School, Pre-K
Aug 20, 2026First Day of School, Kindergarten A
Aug 21, 2026First Day of School, Kindergarten B
Sep 7, 2026Labor Day - No School
Sep 21, 2026Yom Kippur - No School
Sep 30, 2026School Improvement Day
Oct 12, 2026Columbus/Indigenous Peoples’ Day - No School
Oct 28, 2026Institute Day - No School
Nov 3, 2026Election Day - No School
Nov 23, 2026Parent-Teacher Conferences (PM)
Nov 24, 2026Parent-Teacher Conferences (AM)
Nov 25, 2026Non-Attendance Day
Nov 26, 2026Thanksgiving - No School
Nov 27, 2026Non-Attendance Day
Dec 21, 2026Winter Break Begins
Jan 4, 2027Institute Day - No School
Jan 5, 2027Classes Resume
Jan 18, 2027Dr. Martin Luther King, Jr.'s Birthday - No School
Feb 15, 2027Presidents’ Day - No School
Feb 18, 2027School Improvement Day
Mar 22, 2027Spring Break Begins
Mar 29, 2027Classes Resume
Apr 6, 2027Election Day - No School
May 7, 2027Non-Attendance Day
May 20, 2027School Improvement Day
May 31, 2027Memorial Day - No School
Jun 1, 2027Tentative Last Day of School
Jun 18, 2027Juneteenth (Observed) - No School

CUSD 21 Calendar 26-27 Revised FAQs

When is the first day of school in Community Consolidated School District 21 for 2026-2027?
The first day of school for Grades 1-8 in Community Consolidated School District 21 is August 19, 2026. Pre-K and Kindergarten students begin on August 20-21, 2026.
When is spring break in Community Consolidated School District 21 for 2026-2027?
Spring break in Community Consolidated School District 21 begins on March 22, 2027, and classes resume on March 29, 2027.
When is Christmas break in Community Consolidated School District 21 for 2026-2027?
Christmas break in Community Consolidated School District 21 starts on December 21, 2026, as part of the winter break schedule.
When is winter break in Community Consolidated School District 21 for 2026-2027?
Winter break in Community Consolidated School District 21 begins on December 21, 2026, and students return to classes on January 5, 2027.
When is Thanksgiving break in Community Consolidated School District 21 for 2026-2027?
Thanksgiving break in Community Consolidated School District 21 includes November 26-27, 2026. Additional non-attendance days are scheduled on November 25, 2026.
What is the last day of school in Community Consolidated School District 21 for 2026-2027?
The tentative last day of school in Community Consolidated School District 21 is June 1, 2027.
When is Labor Day holiday in Community Consolidated School District 21 for 2026-2027?
Labor Day holiday in Community Consolidated School District 21 is on September 7, 2026, and all buildings will be closed.
When is the School Improvement Day in Community Consolidated School District 21 for 2026-2027?
School Improvement Days in Community Consolidated School District 21 are scheduled for September 30, 2026, February 18, 2027, and May 20, 2027.
When is Memorial Day in Community Consolidated School District 21 for 2026-2027?
Memorial Day in Community Consolidated School District 21 will be observed on May 31, 2027, and schools will be closed.
When does school resume after winter break in Community Consolidated School District 21 for 2026-2027?
Classes resume after winter break in Community Consolidated School District 21 on January 5, 2027.

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CUSD 21 calendar FAQs

When is the first day of school in Community Consolidated School District 21 for 2026-2027?
The first day of school for Grades 1-8 in Community Consolidated School District 21 is August 19, 2026. Pre-K and Kindergarten students begin on August 20-21, 2026.
When is spring break in Community Consolidated School District 21 for 2026-2027?
Spring break in Community Consolidated School District 21 begins on March 22, 2027, and classes resume on March 29, 2027.
When is Christmas break in Community Consolidated School District 21 for 2026-2027?
Christmas break in Community Consolidated School District 21 starts on December 21, 2026, as part of the winter break schedule.
When is winter break in Community Consolidated School District 21 for 2026-2027?
Winter break in Community Consolidated School District 21 begins on December 21, 2026, and students return to classes on January 5, 2027.
When is Thanksgiving break in Community Consolidated School District 21 for 2026-2027?
Thanksgiving break in Community Consolidated School District 21 includes November 26-27, 2026. Additional non-attendance days are scheduled on November 25, 2026.
What is the last day of school in Community Consolidated School District 21 for 2026-2027?
The tentative last day of school in Community Consolidated School District 21 is June 1, 2027.
When is Labor Day holiday in Community Consolidated School District 21 for 2026-2027?
Labor Day holiday in Community Consolidated School District 21 is on September 7, 2026, and all buildings will be closed.
When is the School Improvement Day in Community Consolidated School District 21 for 2026-2027?
School Improvement Days in Community Consolidated School District 21 are scheduled for September 30, 2026, February 18, 2027, and May 20, 2027.
When is Memorial Day in Community Consolidated School District 21 for 2026-2027?
Memorial Day in Community Consolidated School District 21 will be observed on May 31, 2027, and schools will be closed.
When does school resume after winter break in Community Consolidated School District 21 for 2026-2027?
Classes resume after winter break in Community Consolidated School District 21 on January 5, 2027.

Dates can change after publication. Read our calendar disclaimer.