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SCHOOL COMMUNITY·ARLINGTON·NCES 250198000053

Arlington High

869 Mass Avenue, Arlington, MA 02476 · (781) 316-3591 · Middlesex County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,677 STUDENTS
Enrollment
1,677
High
DISTRICT 556 · STATE 777
Student : Teacher
13.6:1
123 FTE teachers
DISTRICT 12.6:1 · STATE 23.4:1
Free / Reduced Lunch
,
Title I proxy
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 942025%
Grade 1044426%
Grade 1140524%
Grade 1240824%
Student demographics
48%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 54% · STATE 65% · US 70%
White
1,15669%
DISTRICT 65% · STATE 51% · US 43%
Hispanic
1509%
DISTRICT 9% · STATE 26% · US 30%
Black
583%
DISTRICT 3% · STATE 10% · US 15%
Asian
16610%
DISTRICT 13% · STATE 7% · US 6%
Two+
1107%
DISTRICT 10% · STATE 5% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
40%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
84050%
Female
80648%

School pathway

Feeds from
Ottoson Middle07–08
Based on grade levels within Arlington. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

MCAS 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
82.0%
MA avg 43.8% . +0.0pp since 2018
Math
82.0%
MA avg 42.2% . +0.0pp since 2018

What this means: On the MCAS, Massachusetts's statewide test, about 82 of every 100 students at this school read and write at grade level and about 82 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores have held steady since 2018, while math scores have held steady.

MCAS results by year

School yearEnglish Language ArtsMath
2024-2582.0%82.0%
2023-2483.0%82.0%
2022-2380.0%85.0%
2021-2282.0%83.0%
2020-2183.0%81.0%
2018-1982.0%82.0%
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: MCAS. All students, all grades. See all years and grades →

Where Arlington High ranks

Among high schools
MeasureThis schoolIn MassachusettsIn Middlesex County
Math proficiency
ranked highest first
82.0%#13 of 327
▲ 6
#7 of 58
▲ 7
Reading proficiency
ranked highest first
82.0%#14 of 326
▲ 8
#7 of 58
▲ 4
3-year test score change
ranked biggest drop first
-0.5pp#226 of 315#39 of 58
Enrollment
ranked largest first
1,677#36 of 379#13 of 63
Students per teacher
ranked fewest first
13.6:1#284 of 325#47 of 57
Diversity index
ranked most diverse first
48.3%#152 of 325#38 of 57
Enrollment change since 2017-18
ranked fastest growth first
+26.6%#27 of 133#2 of 27
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,677
+268 (+19%) vs 2020
+59% since 1990-91, when it was 1,056
Student : Teacher
13.6:1
was 13.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,677123.313.6:1N/A
2023-241,60912313.1:1N/A
2022-231,527115.913.2:1N/A
2020-211,40910613.3:1N/A
2017-181,32599.813.3:1N/A
2015-161,2539513.2:1N/A
2010-111,1967615.7:112% (144)
2000-011,069N/AN/A8% (82)
1990-911,056N/AN/AN/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Arlington High.

Since 2017-18: students up 27% (1,325 to 1,677); teachers up 24% (99.8 to 123.3).

About Arlington High

Arlington High is a high-enrollment high school serving families in Arlington, Massachusetts. The school enrolls 1,677 students, from grades 9 through 12. An average school in this group (high schools in Massachusetts) has about 777 students.

Arlington enrolls 6,113 students in 11 schools, including Arlington High.

White students account for 69% of enrollment at Arlington High. Other groups make up 10% Asian, 9% Hispanic, 7% multiracial, and 3% Black. County-wide, about 67% of residents are White. Arlington High has a diversity index of 48%, compared with 70% for all US public school students.

The school has about 13.6 students per teacher and 123.3 full-time-equivalent teachers. That ratio is under the 23.4:1 average for high schools in Massachusetts.

Middlesex County has about 1,638,365 residents, and median household income is about $130,847, 60% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. The public schools of Middlesex County number 386 and enroll about 215,896.

The next-closest public school is Menotomy Preschool, about 0.4 miles away. There are at least 8 more public schools inside five miles.

The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

The student count in 2024-25 was 1,677, 19% above the 1,409 of 2020-21.

The allk12 site hosts a discussion page for Arlington High covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.

Middlesex County at a glance

View full county profile
Population
1,638,365
Census ACS
Median income
$130,847
Household, ACS
Bachelor's+
60%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
386
215,896 students

Quick facts

School name
Arlington High
District
Arlington
Address
869 Mass Avenue, Arlington, MA 02476
Phone
(781) 316-3591
County
Middlesex County
Level
High
Grade range
09–12
Total enrollment
1,677
Teachers (FTE)
123
Student–teacher ratio
13.6:1
Locale
21-Suburb: Large
NCES ID
250198000053
Charter school
No
Virtual school
No

Related schools

Other schools in Arlington
Other schools in Arlington
Other Arlington High schools

7 other US public schools in 8 states are named Arlington High. Arlington High is the 4th largest of the 8.

Nearby schools

Frequently asked questions

About Arlington High
How many students attend Arlington High?
Arlington High enrolls approximately 1,677 students in grades 09-12.
What age range does Arlington High serve?
Arlington High serves students from grade 09 through grade 12.
How many students per teacher at Arlington High?
Approximately 13.6:1 students per teacher at Arlington High.
What is the student diversity at Arlington High?
Student demographics at Arlington High are roughly 69% White, 9% Hispanic, 3% Black, 10% Asian, 7% Two or more.
What district is Arlington High in?
Arlington High is part of Arlington.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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