When is the last day of school in Arlington?

The last day of school in Arlington is Thu, Jun 18, 2026, according to the district's published calendar.

How many schools are in Arlington?

Arlington includes 11 schools across elementary, middle, and high school levels.

Where is Arlington located?

The Arlington district is headquartered in Arlington, MA. It serves Middlesex County County.

How many students are enrolled in Arlington?

5,997 students attend schools in Arlington.

Suburban

Arlington — District Profile & Schools

Arlington, Massachusetts · Middlesex County

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Key Dates — Arlington School Calendar

The first day of school in Arlington is Mon, Aug 31, 2026, and the last day of school is Thu, Jun 18, 2026, according to the district's published calendar. Scheduled breaks include NO SCHOOL - Thanksgiving Break (Thu, Nov 26, 2026 to Fri, Nov 27, 2026), NO SCHOOL - WINTER BREAK (Thu, Dec 24, 2026 to Fri, Jan 1, 2027), NO SCHOOL - February Break (Mon, Feb 15, 2027 to Fri, Feb 19, 2027), NO SCHOOL - April Break (Mon, Apr 19, 2027 to Fri, Apr 23, 2027).

First day of school: Mon, Aug 31, 2026
Last day of school: Thu, Jun 18, 2026
NO SCHOOL - Thanksgiving Break: Thu, Nov 26, 2026 to Fri, Nov 27, 2026
NO SCHOOL - WINTER BREAK: Thu, Dec 24, 2026 to Fri, Jan 1, 2027
NO SCHOOL - February Break: Mon, Feb 15, 2027 to Fri, Feb 19, 2027
NO SCHOOL - April Break: Mon, Apr 19, 2027 to Fri, Apr 23, 2027
NO SCHOOL - MEMORIAL DAY: Mon, May 25, 2026
NO SCHOOL - JUNETEENTH: Fri, Jun 19, 2026
Central Offices Closed in Observance of July 4: Fri, Jul 3, 2026
NO SCHOOL - Labor Day: Mon, Sep 7, 2026
NO SCHOOL - Yom Kippur: Mon, Sep 21, 2026
NO SCHOOL - Indigenous People's Day: Mon, Oct 12, 2026
NO SCHOOL for Students Only - Professional Development Day: Tue, Nov 3, 2026
NO SCHOOL - Veteran's Day: Wed, Nov 11, 2026
NO SCHOOL - Martin Luther King Jr Day: Mon, Jan 18, 2027
NO SCHOOL - Good Friday: Fri, Mar 26, 2027

5,997

Students

Schools

12.2:1

Student-Teacher

491 teachers

-1 - 12

Grades

Quick Facts

545

Avg. School Size

936

Total Staff

Arlington Calendar

269 events

Source

Mon, Jul 14

Event

School Committee - Local 680's - Cafeteria Negotiations - Remote via Zoom

EXECUTIVE SESSION Read more

Tue, Jul 15

Event

Arlington School Committee - Special Meeting - Remote

Attendee Link Read more

Thu, Jul 17

PD Day

Secondary PD Planning (Please RSVP)

Fri, Aug 1

Event

Local 680's - Cafeteria Negotiations Meeting

EXECUTIVE SESSION Read more

Tue, Aug 5

Exams

Arlington School Committee - Curriculum, Instruction, Assessment & Accountability Subcommittee Meeting - Hybrid

Zoom Link: Read more

Mon, Aug 11

Event

CANCELLED - Local 680's - Cafeteria Negotiations Meeting

EXECUTIVE SESSION Read more

Thu, Aug 14

Event

Arlington School Committee - Budget Subcommittee Meeting - Remote

Zoom link here Read more

Mon, Aug 25

Event

Virtual Family Orientation

Join us for Part 1 of our APS Tools for Back-to-School Event! In this New Family Orientation learn about Arlington Public Schools and what to expect as a family in the district! This is a repeat of the session on 5/22/25. Read more

Mon, Aug 25

Event

In-person Tools for Back-to-School Event

Drop by the Welcome Center for Part 2 of our APS Tools for Back-to-School Event! Families will have access to:Complimentary dinner and refreshmentsA sneak peak at the new Welcome Center SpyPonder Threads ClosetBack-to-school supplies Read more

Aug 27 - 28

Event

First Days for Teachers

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Data source: official Arlington website · How we verify this data