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DeKalb Community Unit School D428 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 3 teacher days

The DeKalb Community Unit School D428 2026–27 school year runs from Aug 12, 2026 to May 20, 2027. Breaks include winter break Dec 21-31 and spring break Mar 22-29. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 12, 2026 First Day School (1st-12th) Half Day
School year ends Thu, May 20, 2027 End 4th QTR / Last Day School (Half Day)
Next key date Wed, Aug 12, 2026 Counts down once the school year is under way

DeKalb Community Unit School D428 2026-27 calendar

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DeKalb Community Unit School D428 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
  • Early release / half day
  • Parent-teacher conference
  • Weather make-up day
  • Other scheduled date

August 2026

  • Aug 10-11, 2026 — Institute Day
  • Aug 12, 2026 — First Day School (1st-12th) Half Day
  • Aug 17, 2026 — First Day School (PK-Kinder) Full Day
  • Aug 21, 2026 — PLC Day (Early Release)

September 2026

  • Sep 4, 2026 — PLC Day (Early Release)
  • Sep 7, 2026 — NO SCHOOL
  • Sep 18, 2026 — PLC Day (Early Release)

October 2026

  • Oct 2, 2026 — PLC Day (Early Release)
  • Oct 9, 2026 — Institute Day
  • Oct 12, 2026 — NO SCHOOL
  • Oct 16, 2026 — End of 1st QTR
  • Oct 23, 2026 — PLC Day (Early Release)

November 2026

  • Nov 6, 2026 — PLC Day (Early Release)
  • Nov 20, 2026 — PLC Day (Early Release)
  • Nov 23-24, 2026 — Parent/Teacher Conferences
  • Nov 25-27, 2026 — NO SCHOOL

December 2026

  • Dec 4, 2026 — PLC Day (Early Release)
  • Dec 18, 2026 — PLC Day (Early Release) / End of 2nd QTR
  • Dec 21-31, 2026 — NO SCHOOL Winter Break

January 2027

  • Jan 1, 2027 — NO SCHOOL Winter Break
  • Jan 15, 2027 — PLC Day (Early Release)
  • Jan 18, 2027 — NO SCHOOL
  • Jan 29, 2027 — PLC Day (Early Release)

February 2027

  • Feb 12, 2027 — PLC Day (Early Release)
  • Feb 15, 2027 — NO SCHOOL
  • Feb 26, 2027 — PLC Day (Early Release)

March 2027

  • Mar 4, 2027 — End of 3rd QTR
  • Mar 5, 2027 — Institute Day
  • Mar 12, 2027 — PLC Day (Early Release)
  • Mar 22-29, 2027 — NO SCHOOL Spring Break

April 2027

  • Apr 9, 2027 — PLC Day (Early Release)
  • Apr 23, 2027 — PLC Day (Early Release)
  • Apr 26, 2027 — NO SCHOOL

May 2027

  • May 14, 2027 — PLC Day (Early Release)
  • May 20, 2027 — End 4th QTR / Last Day School (Half Day)
  • May 21-27, 2027 — Emergency Days

June 2027

July 2027

DeKalb Community Unit School D428 teacher and staff days 2026/27

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

  • Aug 10-11, 2026 Institute Day District source
  • Oct 9, 2026 Institute Day District source
  • Mar 5, 2027 Institute Day District source

DeKalb Community Unit School D428 breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 NO SCHOOL Holiday
  • Oct 12, 2026 NO SCHOOL Holiday
  • Nov 25-27, 2026 NO SCHOOL Holiday
  • Dec 21-31, 2026 NO SCHOOL Winter Break Break
  • Jan 1, 2027 NO SCHOOL Winter Break Break
  • Jan 18, 2027 NO SCHOOL Holiday
  • Feb 15, 2027 NO SCHOOL Holiday
  • Mar 22-29, 2027 NO SCHOOL Spring Break Break
  • Apr 26, 2027 NO SCHOOL Holiday

Your checked 2026/27 DeKalb Community Unit School D428 planning calendar

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

Useful now36 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 April 30, 2026.
Full term dates table

DeKalb Community Unit School D428 2026–27 calendar dates

DateEvent
Aug 10-11, 2026Institute Day
Aug 12, 2026First Day School (1st-12th) Half Day
Aug 17, 2026First Day School (PK-Kinder) Full Day
Aug 21, 2026PLC Day (Early Release)
Sep 4, 2026PLC Day (Early Release)
Sep 7, 2026NO SCHOOL
Sep 18, 2026PLC Day (Early Release)
Oct 2, 2026PLC Day (Early Release)
Oct 9, 2026Institute Day
Oct 12, 2026NO SCHOOL
Oct 16, 2026End of 1st QTR
Oct 23, 2026PLC Day (Early Release)
Nov 6, 2026PLC Day (Early Release)
Nov 20, 2026PLC Day (Early Release)
Nov 23-24, 2026Parent/Teacher Conferences
Nov 25-27, 2026NO SCHOOL
Dec 4, 2026PLC Day (Early Release)
Dec 18, 2026PLC Day (Early Release) / End of 2nd QTR
Dec 21-31, 2026NO SCHOOL Winter Break
Jan 1, 2027NO SCHOOL Winter Break
Jan 15, 2027PLC Day (Early Release)
Jan 18, 2027NO SCHOOL
Jan 29, 2027PLC Day (Early Release)
Feb 12, 2027PLC Day (Early Release)
Feb 15, 2027NO SCHOOL
Feb 26, 2027PLC Day (Early Release)
Mar 4, 2027End of 3rd QTR
Mar 5, 2027Institute Day
Mar 12, 2027PLC Day (Early Release)
Mar 22-29, 2027NO SCHOOL Spring Break
Apr 9, 2027PLC Day (Early Release)
Apr 23, 2027PLC Day (Early Release)
Apr 26, 2027NO SCHOOL
May 14, 2027PLC Day (Early Release)
May 20, 2027End 4th QTR / Last Day School (Half Day)
May 21-27, 2027Emergency Days

DeKalb School District 428 Calendar 2026-2027 FAQ

When is the first day of school in DeKalb School District 428?
The first day of school for grades 1-12 is August 12, 2026 (Half Day). For Pre-K and Kindergarten, the first full day is August 17, 2026.
When is spring break 26-27 in DeKalb School District 428?
Spring break is scheduled from March 22nd through March 29th, 2027.
When is winter break (Christmas break) 26-27 in DeKalb School District 428?
Winter Break begins on December 21, 2026, and runs through January 1, 2027. Classes resume after the holiday.
When is Thanksgiving break in DeKalb School District 428?
There is no school for Thanksgiving break from November 25th to November 27th, 2026. Note that Parent/Teacher Conferences are held just before on November 23rd and 24th.
When is the last day of school in DeKalb School District 428?
The last day of school is scheduled for May 20, 2027, as a half day.
When are the Parent/Teacher Conferences?
Conferences are held on November 23 and November 24, 2026.
When does the first quarter end?
The end of the 1st Quarter is October 16, 2026.
Are there any Institute Days with no school for students?
Yes, Institute Days are scheduled for August 10-11, 2026, October 9, 2026, and March 5, 2027.
When are the 2027 Emergency Days scheduled?
Emergency days are built into the calendar from May 21 through May 27, 2027.

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DeKalb Community Unit School D428 calendar FAQs

When is the first day of school in DeKalb School District 428?
The first day of school for grades 1-12 is August 12, 2026 (Half Day). For Pre-K and Kindergarten, the first full day is August 17, 2026.
When is spring break 26-27 in DeKalb School District 428?
Spring break is scheduled from March 22nd through March 29th, 2027.
When is winter break (Christmas break) 26-27 in DeKalb School District 428?
Winter Break begins on December 21, 2026, and runs through January 1, 2027. Classes resume after the holiday.
When is Thanksgiving break in DeKalb School District 428?
There is no school for Thanksgiving break from November 25th to November 27th, 2026. Note that Parent/Teacher Conferences are held just before on November 23rd and 24th.
When is the last day of school in DeKalb School District 428?
The last day of school is scheduled for May 20, 2027, as a half day.
When are the Parent/Teacher Conferences?
Conferences are held on November 23 and November 24, 2026.
When does the first quarter end?
The end of the 1st Quarter is October 16, 2026.
Are there any Institute Days with no school for students?
Yes, Institute Days are scheduled for August 10-11, 2026, October 9, 2026, and March 5, 2027.
When are the 2027 Emergency Days scheduled?
Emergency days are built into the calendar from May 21 through May 27, 2027.

Dates can change after publication. Read our calendar disclaimer.