Naperville 203 Community Unit School District Calendar 2026-2027

The 2026-2027 calendar for Naperville 203 Community Unit School District (D203) has 31 weekdays without school between the first and last day: 20 in three breaks, five single holidays and six teacher workdays. Classes begin August 13, 2026 and end May 26, 2027; the longest stretch off is winter break, 17 days in a row.

Checking today…

First dayThu, Aug 13, 2026

Last dayWed, May 26, 2027

Spring breakMar 29 to Apr 6, 2027back Wed, Apr 7, 2027

Winter breakDec 21 to Jan 1back Tue, Jan 5, 2027

All 2026-2027 dates

174 student days by our count · Weekends are not listed. Past dates are dimmed.

Naperville 203 Community Unit School District 2026-2027 All Naperville 203 schools dates
Date	Event
Thu, Aug 13, 2026	First day of school
Mon, Sep 7, 2026	Labor Day
Thu, Oct 8, 2026	Teacher workday, no school for students
Fri, Oct 9, 2026	Teacher workday, no school for students
Mon, Oct 12, 2026	NO SCHOOL - Columbus/Indigenous Peoples' Day
Wed, Nov 25 to Fri, Nov 27, 2026	NO SCHOOL - Thanksgiving Holiday · 3 school days off
Mon, Dec 21, 2026 to Fri, Jan 1, 2027	NO SCHOOL - Winter Vacation · 10 school days off
Mon, Jan 4, 2027	Teacher workday, no school for students
Mon, Jan 18, 2027	Martin Luther King Jr. Day
Mon, Feb 15, 2027	Presidents' Day
Fri, Feb 26, 2027	Teacher workday, no school for students
Thu, Mar 4, 2027	Teacher workday, no school for students
Fri, Mar 5, 2027	Teacher workday, no school for students
Fri, Mar 26, 2027	Spring Holiday
Mon, Mar 29 to Tue, Apr 6, 2027	NO SCHOOL - Spring Vacation · 7 school days off
Fri, May 7, 2027	No school for early childhood students (Half-Day Institute (EC-No School)); other grades attend
Fri, May 7, 2027	Early release
Wed, May 26, 2027	Last day of school Unconfirmed, check district site
Thu, May 27, 2027	Possible weather make-up day
Fri, May 28, 2027	Possible weather make-up day
Tue, Jun 1, 2027	Possible weather make-up day
Wed, Jun 2, 2027	Possible weather make-up day
Thu, Jun 3, 2027	Possible weather make-up day

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Verified against Naperville 203 Community Unit School District’s official 2026-2027 calendar on September 29, 2026. Confidence: Medium.

Source: Calendar 2026-2027 (Rev. 6/20/2026) (PDF) · district calendar page

We fetch this document again every day and compare it with the version we verified; if the district changes it, the dates here are read again.

Note: Document does not say board-approved, so status is unknown. Classes End (May 26) is marked tentative. Emergency days May 27-June 3 are used only if needed; the official school year ends after the last emergency day used, and no planned absences should be scheduled before then. Memorial Day (May 31) is after the last scheduled day, so it is not listed. Oct 8 and Mar 4 are Institute Days with no school; Oct 9 and Mar 5 are no school for Parent/Teacher Conferences (evening conferences the day before). Feb 26 is a County Institute Day, no school. Nov 3 is an E-Learning Day (not a day off) and Feb 23 is a tentative E-Learning Day. High schools have Late Arrival on most Wednesdays or Thursdays (marked LA). May 7 is a half day for students; early childhood has no school. Commencement date is TBD (tentative). Mar 26 is a Spring Holiday and Spring Vacation is Mar 29 (Monday) - Apr 6; classes resume Apr 7.

Break details

Long weekends in 2026-2027

Besides the breaks above, Naperville 203 Community Unit School District students have 6 long weekends this school year: three or more days in a row without school.

Days off	Length	Why
Sat, Sep 5 to Mon, Sep 7	3 days	Labor Day
Thu, Oct 8 to Mon, Oct 12	5 days	Teacher workday, no school for students; NO SCHOOL - Columbus/Indigenous Peoples' Day
Sat, Jan 16 to Mon, Jan 18	3 days	Martin Luther King Jr. Day
Sat, Feb 13 to Mon, Feb 15	3 days	Presidents' Day
Fri, Feb 26 to Sun, Feb 28	3 days	Teacher workday, no school for students
Thu, Mar 4 to Sun, Mar 7	4 days	Teacher workday, no school for students

Nearby districts

Compare Naperville 203 Community Unit School District with Indian Prairie Community Unit School District 204 or any other district, with the days both are off.

District	First day	Spring break	Last day
Naperville 203 Community Unit School District	Aug 13	Mar 29 to Apr 6	May 26
Indian Prairie Community Unit School District 204	Aug 17	Mar 29 to Apr 2	May 28
Valley View School District 365U	Aug 13	Mar 26 to Apr 5	May 28
East Aurora School District 131	Aug 19	Mar 29 to Apr 2	May 28
Aurora West School District 129	Aug 13	Mar 26 to Apr 2	May 21
Schaumburg Community Consolidated School District 54	Aug 17	Mar 22-26	May 26
School District U-46	Aug 27	Mar 29 to Apr 2	Jun 9

Frequently asked questions

When is spring break 2027 for Naperville 203 Community Unit School District?

Spring break is Mon, Mar 29 to Tue, Apr 6, 2027. The last day of school before it is Thursday, March 25, 2027, and students return Wednesday, April 7, 2027.

When does the 2026-2027 school year start and end for Naperville 203 Community Unit School District?

The first day of school is Thursday, August 13, 2026 and the last day is Wednesday, May 26, 2027.

Are there days off for only some grades in Naperville 203 Community Unit School District?

Yes: Fri, May 7, 2027 (no school for early childhood students, Half-Day Institute (EC-No School)). The other grades have school on those days.

Does Naperville 203 Community Unit School District have early release days?

Yes, the calendar lists one early release day: May 7.

When is winter break 2026 for Naperville 203 Community Unit School District?

Winter break runs Mon, Dec 21, 2026 to Fri, Jan 1, 2027. Counting weekends and the adjacent days without school, students are off 17 days in a row and go back Tuesday, January 5, 2027.

Where do these Naperville 203 Community Unit School District dates come from?

Source: the district's “Calendar 2026-2027 (Rev. 6/20/2026)”, checked on September 29, 2026. We link the document on this page; if the district changes it, we update the dates and the “verified” date.

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About the district: Naperville 203 Community Unit School District is based in Naperville, Illinois (DuPage County), with about 16,047 students in 22 schools (NCES Common Core of Data, 2024-25). District website: www.naperville203.org. See all Illinois school calendars.