Adams 12 Five Star Schools Calendar 2026-2027

Adams 12 Five Star Schools families get 18 days in a row without school at winter break (Fri, Dec 18, 2026 to Mon, Jan 4, 2027) and 9 at spring break (Sat, Mar 20 to Sun, Mar 28, 2027), weekends included. The 2026-2027 calendar has 166 student days, from Aug 11 to May 20, 2027.

Checking today…

First dayTue, Aug 11, 2026

Last dayThu, May 20, 2027

Spring breakMar 22-26, 2027back Mon, Mar 29, 2027

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

All 2026-2027 dates

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

Adams 12 Five Star Schools 2026-2027 School Calendar dates
Date	Event
Tue, Aug 11, 2026	First day of school
Mon, Sep 7, 2026	Labor Day
Tue, Sep 8, 2026	Teacher workday, no school for students
Mon, Sep 28, 2026	Teacher workday, no school for students
Mon, Oct 12 to Fri, Oct 16, 2026	Fall Break · 5 school days off
Mon, Nov 2, 2026	Teacher workday, no school for students
Mon, Nov 23 to Fri, Nov 27, 2026	Thanksgiving Break · 5 school days off
Fri, Dec 18, 2026	Teacher workday, no school for students
Mon, Dec 21, 2026 to Fri, Jan 1, 2027	Winter Break · 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
Tue, Feb 16, 2027	Teacher workday, no school for students
Mon, Mar 8, 2027	Teacher workday, no school for students
Mon, Mar 22 to Fri, Mar 26, 2027	Spring Break · 5 school days off
Mon, Apr 12, 2027	Teacher workday, no school for students
Mon, May 3, 2027	Teacher workday, no school for students
Thu, May 20, 2027	Last day of school

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Verified against Adams 12 Five Star Schools’ official 2026-2027 calendar on September 26, 2026. Confidence: High.

Source: Adams 12 Five Star Schools 2026-2027 School Calendar (November 3, 2025) (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: The district Calendar page shows this as the 2026-2027 Year-at-a-Glance. First day for all students is Aug. 11; Aug. 10 is orientation for 6th and 9th graders (not at K-8 schools). Staff workdays with no school for students: Sept. 8, Sept. 28, Nov. 2, Dec. 18, Jan. 4, Feb. 16, March 8, April 12 and May 3; high schools may pick a different day in April and in May. No student day count is printed. Memorial Day (May 31) falls after the last day of school.

Break details

Long weekends in 2026-2027

Besides the breaks above, Adams 12 Five Star Schools students have 8 long weekends this school year: three or more days in a row without school.

Days off	Length	Why
Sat, Sep 5 to Tue, Sep 8	4 days	Labor Day; Teacher workday, no school for students
Sat, Sep 26 to Mon, Sep 28	3 days	Teacher workday, no school for students
Sat, Oct 31 to Mon, Nov 2	3 days	Teacher workday, no school for students
Sat, Jan 16 to Mon, Jan 18	3 days	Martin Luther King Jr. Day
Sat, Feb 13 to Tue, Feb 16	4 days	Presidents' Day; Teacher workday, no school for students
Sat, Mar 6 to Mon, Mar 8	3 days	Teacher workday, no school for students
Sat, Apr 10 to Mon, Apr 12	3 days	Teacher workday, no school for students
Sat, May 1 to Mon, May 3	3 days	Teacher workday, no school for students

Nearby districts

Compare Adams 12 Five Star Schools with Denver Public Schools or any other district, with the days both are off.

District	First day	Spring break	Last day
Adams 12 Five Star Schools	Aug 11	Mar 22-26	May 20
Denver Public Schools	Aug 24	Mar 29 to Apr 2	Jun 4
Boulder Valley School District	Aug 12	Mar 15-19	May 20
Aurora Public Schools	Aug 6	Mar 15-19	May 27
Jeffco Public Schools	Aug 19	Mar 22-26	May 27
Cherry Creek School District	Aug 17	Mar 15-19	May 28
Greeley-Evans School District 6	Aug 10	Mar 15-19	May 20

Frequently asked questions

When is spring break 2027 for Adams 12 Five Star Schools?

Spring break is Mon, Mar 22 to Fri, Mar 26, 2027. The last day of school before it is Friday, March 19, 2027, and students return Monday, March 29, 2027.

When does the 2026-2027 school year start and end for Adams 12 Five Star Schools?

The first day of school is Tuesday, August 11, 2026 and the last day is Thursday, May 20, 2027.

Is there school on Presidents’ Day in Adams 12 Five Star Schools?

No. Monday, February 15, 2027 is a day off for students (Presidents' Day).

When is winter break 2026 for Adams 12 Five Star Schools?

Winter break runs Mon, Dec 21, 2026 to Fri, Jan 1, 2027. Counting weekends and the adjacent days without school, students are off 18 days in a row and go back Tuesday, January 5, 2027.

How long is Thanksgiving break in Adams 12 Five Star Schools?

5 school days: Mon, Nov 23 to Fri, Nov 27, 2026.

Where do these Adams 12 Five Star Schools dates come from?

Source: the district's “Adams 12 Five Star Schools 2026-2027 School Calendar (November 3, 2025)”, checked on September 26, 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: Adams 12 Five Star Schools is based in Thornton, Colorado (Adams County), with about 34,466 students in 53 schools (NCES Common Core of Data, 2024-25). District website: www.adams12.org. See all Colorado school calendars.