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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 - JUNETEENTH
Fri, Jun 19, 2026
Central Offices Closed in Observance of July 4
Fri, Jul 3, 2026
NO SCHOOL - SCHOOL CLOSED
Fri, Sep 4, 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
Cartwheel Webinar - The Holiday Effect: Why Kids Struggle and How Parent Can Help
Wed, Dec 9, 2026
NO SCHOOL - Martin Luther King Jr Day
Mon, Jan 18, 2027
5,997
Students
11
Schools
7 elem · 2 mid · 1 high
12.2:1
Student-Teacher
491 teachers
-1 - 12
Grades

Quick Facts

545
Avg. School Size
936
Total Staff

Arlington Calendar

120 events

Source

Thu, Jun 18

Event

LAST DAY FOR PRE-K W/SNOW (Half Day) 11:30 dismissal

Thu, Jun 18

Event

LAST DAY FOR KINDERGARTEN W/ SNOW

This is the last day for Kindergarten due to Snow Days during winter. Read more

Thu, Jun 18

Event

LAST DAY FOR PRE-K W/SNOW (Half Day) 11:30 dismissal

Thu, Jun 18

Event

LAST DAY FOR KINDERGARTEN W/ SNOW

This is the last day for Kindergarten due to Snow Days during winter. Read more

Fri, Jun 19

Event

NO SCHOOL - JUNETEENTH

Fri, Jun 19

Event

NO SCHOOL - JUNETEENTH

Mon, Jun 22

Event

Facilities Subcommittee Meeting - Hybrid

Via ZoomIn Person:Arlington Public Schools District Office14 Mill Brook Drive2nd Floor, Superintendent's OfficeArlington, MA 02476 Read more

Mon, Jun 22

Event

Facilities Subcommittee Meeting - Hybrid

Via ZoomIn Person:Arlington Public Schools District Office14 Mill Brook Drive2nd Floor, Superintendent's OfficeArlington, MA 02476 Read more

Mon, Jun 22

Event

Kindergarten Screenings

Mon, Jun 22

Event

Kindergarten Screenings

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

Contact

Address
869 Massachusetts Avenue
Arlington, MA 02476
Phone
(781)316-3501

Staff & Students

Teachers (FTE)
491
Total Staff
936
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about Arlington

The first day of school in Arlington is Mon, Aug 31, 2026, according to the district's published calendar.

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