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Naperville Community Unit School District 203 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 5 teacher days

The Naperville Community Unit School District 203 2026–27 school year starts on Aug 13, 2026. Breaks include Thanksgiving break Nov 25-27. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Thu, Aug 13, 2026 Classes Begin
School year ends See full dates Last day not published separately
Next key date Thu, Aug 13, 2026 Counts down once the school year is under way

Naperville Community Unit School District 203 2026-27 calendar

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Naperville Community Unit School District 203 school year calendar

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

  • First day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Parent-teacher conference
  • Grading period / report cards
  • Weather make-up day
  • Other scheduled date

August 2026

  • Aug 10, 2026 — Institute Day
  • Aug 11, 2026 — Staff Development Day
  • Aug 12, 2026 — Teacher Work Day
  • Aug 13, 2026 — Classes Begin

September 2026

  • Sep 7, 2026 — NO SCHOOL-Labor Day Holiday

October 2026

  • Oct 8, 2026 — Parent/Teacher Conferences 5-8:30 / NO SCHOOL-Institute Day
  • Oct 9, 2026 — NO SCHOOL-Parent/Teacher Conf.
  • Oct 12, 2026 — NO SCHOOL-Columbus/Indigenous Peoples' Day

November 2026

  • Nov 3, 2026 — Election Day--E-Learning Day
  • Nov 25-27, 2026 — NO SCHOOL-Thanksgiving Holiday

December 2026

  • Dec 18, 2026 — End of First Semester
  • Dec 21, 2026 - Jan 1, 2027 — NO SCHOOL-Winter Vacation

January 2027

  • Dec 21, 2026 - Jan 1, 2027 — NO SCHOOL-Winter Vacation
  • Jan 4, 2027 — NO SCHOOL-Institute Day
  • Jan 5, 2027 — Classes Resume
  • Jan 18, 2027 — NO SCHOOL-MLK Holiday

February 2027

  • Feb 15, 2027 — NO SCHOOL-Presidents' Day
  • Feb 23, 2027 — Election Day--Tentative E-Learning Day
  • Feb 26, 2027 — NO SCHOOL-County Institute Day

March 2027

  • Mar 4, 2027 — Parent/Teacher Conferences 5-8:30 / NO SCHOOL-Institute Day
  • Mar 5, 2027 — NO SCHOOL-Parent/Teacher Conf.
  • Mar 26, 2027 — Spring Holiday
  • Mar 29, 2027 - Apr 2, 2027 — NO SCHOOL-Spring Vacation

April 2027

  • Mar 29, 2027 - Apr 2, 2027 — NO SCHOOL-Spring Vacation
  • Apr 6, 2027 — Election Day--E-Learning Day

May 2027

  • May 24, 2027 — Classes End (tentative)
  • May 25, 2027 - Jun 1, 2027 — Emergency Days (if needed)

June 2027

  • May 25, 2027 - Jun 1, 2027 — Emergency Days (if needed)

July 2027

Naperville Community Unit School District 203 teacher and staff days 2026/27

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

  • Aug 10, 2026 Institute Day District source
  • Aug 11, 2026 Staff Development Day District source
  • Aug 12, 2026 Teacher Work Day District source
  • Jan 4, 2027 NO SCHOOL-Institute Day District source
  • Feb 26, 2027 NO SCHOOL-County Institute Day District source

Naperville Community Unit School District 203 breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 NO SCHOOL-Labor Day Holiday Holiday
  • Oct 9, 2026 NO SCHOOL-Parent/Teacher Conf. Holiday
  • Oct 12, 2026 NO SCHOOL-Columbus/Indigenous Peoples' Day Holiday
  • Nov 25-27, 2026 NO SCHOOL-Thanksgiving Holiday Holiday
  • Dec 21, 2026 - Jan 1, 2027 NO SCHOOL-Winter Vacation Break
  • Jan 18, 2027 NO SCHOOL-MLK Holiday Holiday
  • Feb 15, 2027 NO SCHOOL-Presidents' Day Holiday
  • Mar 5, 2027 NO SCHOOL-Parent/Teacher Conf. Holiday
  • Mar 26, 2027 Spring Holiday Holiday
  • Mar 29, 2027 - Apr 2, 2027 NO SCHOOL-Spring Vacation Break

Your checked 2026/27 Naperville Community Unit School District 203 planning calendar

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

Useful now25 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

Naperville Community Unit School District 203 2026–27 calendar dates

DateEvent
Aug 10, 2026Institute Day
Aug 11, 2026Staff Development Day
Aug 12, 2026Teacher Work Day
Aug 13, 2026Classes Begin
Sep 7, 2026NO SCHOOL-Labor Day Holiday
Oct 8, 2026Parent/Teacher Conferences 5-8:30 / NO SCHOOL-Institute Day
Oct 9, 2026NO SCHOOL-Parent/Teacher Conf.
Oct 12, 2026NO SCHOOL-Columbus/Indigenous Peoples' Day
Nov 3, 2026Election Day--E-Learning Day
Nov 25-27, 2026NO SCHOOL-Thanksgiving Holiday
Dec 18, 2026End of First Semester
Dec 21, 2026 - Jan 1, 2027NO SCHOOL-Winter Vacation
Jan 4, 2027NO SCHOOL-Institute Day
Jan 5, 2027Classes Resume
Jan 18, 2027NO SCHOOL-MLK Holiday
Feb 15, 2027NO SCHOOL-Presidents' Day
Feb 23, 2027Election Day--Tentative E-Learning Day
Feb 26, 2027NO SCHOOL-County Institute Day
Mar 4, 2027Parent/Teacher Conferences 5-8:30 / NO SCHOOL-Institute Day
Mar 5, 2027NO SCHOOL-Parent/Teacher Conf.
Mar 26, 2027Spring Holiday
Mar 29, 2027 - Apr 2, 2027NO SCHOOL-Spring Vacation
Apr 6, 2027Election Day--E-Learning Day
May 24, 2027Classes End (tentative)
May 25, 2027 - Jun 1, 2027Emergency Days (if needed)

Naperville Community Unit School District 203 Calendar FAQ 2026-2027

When is the first day of school for the 2026-2027 year at Naperville Community Unit School District 203?
Classes begin on August 13, 2026.
When is spring break 26-27 in Naperville Community Unit School District 203?
Spring Vacation is scheduled from March 29 to April 2, 2027. There is also no school on March 26, 2027, for Spring Holiday.
When is Christmas / Winter break 26-27 in Naperville Community Unit School District 203?
Winter Vacation runs from December 21, 2026, through January 1, 2027. Classes resume on January 5, 2027.
When is Thanksgiving break in Naperville Community Unit School District 203?
There is no school for the Thanksgiving Holiday from November 25 to November 27, 2026.
When is the last day of school in Naperville Community Unit School District 203?
The tentative last day of classes is May 24, 2027. However, the official school year ends at the conclusion of the last emergency day used, with emergency days scheduled from May 25 to June 1, 2027.
When are the Parent/Teacher Conferences scheduled?
Conferences are held on October 8, 2026 (5:00-8:30 PM), October 9, 2026 (No School), March 4, 2027 (5:00-8:30 PM), and March 5, 2027 (No School).
What days are designated as E-Learning Days?
Election Days are designated as E-Learning Days on November 3, 2026, and April 6, 2027. February 23, 2027, is a tentative E-Learning Day.
Are there any holidays in January?
Yes, there is no school on January 18, 2027, in observance of the Martin Luther King Jr. Holiday.

Useful next steps

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Naperville Community Unit School District 203 calendar FAQs

When is the first day of school for the 2026-2027 year at Naperville Community Unit School District 203?
Classes begin on August 13, 2026.
When is spring break 26-27 in Naperville Community Unit School District 203?
Spring Vacation is scheduled from March 29 to April 2, 2027. There is also no school on March 26, 2027, for Spring Holiday.
When is Christmas / Winter break 26-27 in Naperville Community Unit School District 203?
Winter Vacation runs from December 21, 2026, through January 1, 2027. Classes resume on January 5, 2027.
When is Thanksgiving break in Naperville Community Unit School District 203?
There is no school for the Thanksgiving Holiday from November 25 to November 27, 2026.
When is the last day of school in Naperville Community Unit School District 203?
The tentative last day of classes is May 24, 2027. However, the official school year ends at the conclusion of the last emergency day used, with emergency days scheduled from May 25 to June 1, 2027.
When are the Parent/Teacher Conferences scheduled?
Conferences are held on October 8, 2026 (5:00-8:30 PM), October 9, 2026 (No School), March 4, 2027 (5:00-8:30 PM), and March 5, 2027 (No School).
What days are designated as E-Learning Days?
Election Days are designated as E-Learning Days on November 3, 2026, and April 6, 2027. February 23, 2027, is a tentative E-Learning Day.
Are there any holidays in January?
Yes, there is no school on January 18, 2027, in observance of the Martin Luther King Jr. Holiday.

Dates can change after publication. Read our calendar disclaimer.