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Average

#2629 of 4,739 schools in NY

Arlington High School

High School · ARLINGTON CENTRAL SCHOOL DISTRICT

1157 RT 55, Lagrangeville, NY 12540

Enrollment

2,472

Student-Teacher

13.6:1

Score

6.2

Grades

9th – 12th

Updated 2022-23

How this school compares

In Lagrangeville

#4 of 4

public schools

New York high schools

#706 of 1,160

In district

#9 of 11

ARLINGTON CENTRAL SCHOOL DISTRICT

Academic performance

8.2 / 10

Very strong

About Arlington High School

Arlington High School serves 2,472 students in grades 9-12 in Lagrangeville, New York, making it one of the larger high schools in Dutchess County. With 182 full-time equivalent teachers, the school maintains a student-teacher ratio of 13.6 to 1, providing reasonable class sizes for individualized attention. The school currently holds a MySchoolScout rating of 4.2 out of 10 and ranks #3,357 out of 4,758 New York high schools, placing it in the 30th percentile statewide.

This suggests Arlington High School has significant room for academic growth as it works to better serve its substantial student body. Located on Route 55, Arlington High School sits in an affluent suburban community where the median household income reaches $112,637 and median home values average $407,100. The surrounding ZIP code of 12540 has a population of 9,297 residents, with 43% holding bachelor's degrees or higher and only a 5.8% poverty rate, indicating strong community resources and family educational support.

As a regular public school in this well-established suburban setting, Arlington High School operates within a community that values education and maintains the economic stability to support student achievement initiatives.

What's said publicly about Arlington High School

Sources: School's website Wikipedia Wayback Machine

Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.

Arlington High School is a public high school located in LaGrange, New York, on Route 55, serving the Arlington Central School District 3 . Established in the early 1900s, the school was granted a charter for a six-year institution in 1926 3 . It currently serves students in grades 9 through 12 and is one of the largest high schools in New York State, with an enrollment of approximately 3,000 students 3 . The school's student newspaper is called The Arlingtonian 2 . Recent district activities include the Board of Education passing the 2025/2026 school year calendar on April 8, 2025 2 . Additionally, Arlington High School hosted a summer driver education program in 2025, with registration opening on May 10 2 . The district also highlighted Arlington Legend Charlie Johnson receiving the Congressional Medal of Honor 2 .
Sources (3)
  1. www.arlingtonschools.org
  2. web.archive.org
  3. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

Arlington High School is a large school with 2,472 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress2.4Needs Improvement25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-9.25 pts/yr
Data Period2019–2021
TrendDeclining
Academics8.2Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency95%
Reading/ELA Proficiency58%
Overall Proficiency77%
Expected (poverty-adj.)66%
vs. Expected+10.7 pts
Adjusted Percentile73th
College Readiness8.2Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation26.3%
IB ProgramNo
Resources & Environment5.3Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.6:1
Per-Pupil Spending$27,380

Arlington High School — Students at Arlington High School score 76% proficient, which is above what's typical for similar communities (expected: 66%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

28.6%

Students qualifying for federal meal assistance

Test Scores NY EDFACTS (2020-21)

Math Proficiency 95.0%
School
State
N/A
ELA Proficiency 76.5%
School
State
N/A

Based on 4 test records from NY state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
95%
ELA
95%
2021*
Math
95%
ELA
58%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 2.4/10.

How Arlington High School Compares

See how Arlington High School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.2/10
45th percentile in NY
Academic
8.2/10
8.2/10
Growth
2.4/10
Below average
Environment
5.3/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
29%
Teaching Staff
14:1 student-teacher ratio
182 teachers

Location

1157 RT 55, Lagrangeville, NY 12540

Nearby Alternatives

Families considering Arlington High School may also want to explore other high schools in the area. ARTHUR S MAY SCHOOL (rated 9.0/10, 5.3 miles away, in nearby Poughkeepsie), which scores notably higher. Another option is NOXON ROAD ELEMENTARY SCHOOL (rated 8.4/10, 2.2 miles away, in nearby Poughkeepsie), which scores notably higher. Additionally, UNION VALE MIDDLE SCHOOL (rated 8.4/10, 3.3 miles away), which scores notably higher. For more schools in Lagrangeville, see our Lagrangeville schools guide .

Nearby Schools

20 within 7.1 mi
School Distance Rating
LAGRANGE MIDDLE SCHOOL Lagrangeville 1.0 mi 7.8
NOXON ROAD ELEMENTARY SCHOOL Poughkeepsie 2.2 mi 8.4
ABILITIES FIRST Poughkeepsie 3.2 mi 6.5
UNION VALE MIDDLE SCHOOL Lagrangeville 3.3 mi 8.4
VAIL FARM ELEMENTARY SCHOOL Lagrangeville 3.4 mi 7.8
OVERLOOK PRIMARY SCHOOL Poughkeepsie 3.5 mi 5.5
HAWK MEADOW MONTESSORI SCHOOL Poughkeepsie 3.5 mi 6.6
VAN WYCK JUNIOR HIGH SCHOOL Wappingers Falls 4.8 mi 6.5
TITUSVILLE INTERMEDIATE Poughkeepsie 3.8 mi 5.3
TRAVER ROAD PRIMARY SCHOOL Pleasant Valley 5.1 mi 6.6
FISHKILL PLAINS ELEMENTARY SCHOOL Wappingers Falls 5.2 mi 7.0
ST MARTIN DE PORRES SCHOOL Poughkeepsie 4.5 mi 5.0
VASSAR ROAD ELEMENTARY SCHOOL Poughkeepsie 4.7 mi 4.0
WEST ROAD/D'AQUANNIS INTERMEDIATE SCHOOL Pleasant Valley 5.7 mi 7.3
KINRY ROAD ELEMENTARY SCHOOL Poughkeepsie 4.8 mi 5.4
POUGHKEEPSIE DAY SCHOOL Poughkeepsie 4.9 mi
ST DENIS-ST COLUMBA SCHOOL Hopewell Junction 6.4 mi 5.1
DUTCHESS BOCES Poughkeepsie 6.0 mi 6.7
ARTHUR S MAY SCHOOL Poughkeepsie 5.3 mi 9.0
GAYHEAD SCHOOL Hopewell Junction 7.1 mi 7.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 12540 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$107,436

Median Home Value

$443,800

Median Rent

$2,077/mo

Population

9,314

College Educated

42.7%

Homeownership

86.3%

Avg Commute

39.1 min

Poverty Rate

5.7%

Median Age

40.2

Community Profile

The community surrounding Arlington High School has a median household income of $107,436. It is a well-educated community where 43% of adults hold a bachelor's degree or higher. The median home value in the area is $443,800, with a median rent of $2,077/month. The local poverty rate of 5.7% is relatively low. The average commute in the area is 39 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
RICHMOND HILL HIGH SCHOOL Richmond Hill, NY 6.2
SHENENDEHOWA HIGH SCHOOL Clifton Park, NY 6.2
WALTER G O'CONNELL COPIAGUE HIGH SCHOOL Copiague, NY 6.2
PORT RICHMOND HIGH SCHOOL Staten Island, NY 6.3
ROY C KETCHAM SENIOR HIGH SCHOOL Wappingers Falls, NY 6.3
CICERO-NORTH SYRACUSE HIGH SCHOOL Cicero, NY 6.1

Frequently Asked Questions

Common questions about Arlington High School

What grades does Arlington High School serve?

Arlington High School serves students in grades 9th through 12th.

How many students attend Arlington High School?

Arlington High School has an enrollment of approximately 2,472 students.

What is the student-teacher ratio at Arlington High School?

The student-teacher ratio at Arlington High School is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Arlington High School rank in NY?

Arlington High School is ranked #2629 out of 4,739 schools in NY.

What is Arlington High School's MySchoolScout rating?

Arlington High School has a composite rating of 6.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Arlington High School?

Based on the most recent state assessment data, Arlington High School has 95.0% math proficiency and 76.5% reading/ELA proficiency.

Is Arlington High School a charter school?

No, Arlington High School is not a charter school. It is a traditional public school operated by the local school district.

Is Arlington High School a Title I school?

No, Arlington High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Arlington High School?

28.6% of students at Arlington High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
27 Car-Dependent
Bike Score
9 Somewhat Bikeable
County Safety
Low (118/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,472
Student-Teacher Ratio
13.6:1
Teachers (FTE)
182
Free/Reduced Lunch
28.6%
Type
regular
Setting
Large Suburb
County
Dutchess County
Data Year
2023–2024

District

ARLINGTON CENTRAL SCHOOL DISTRICT
District Enrollment
7,768
Schools in District
11
Per-Pupil Spending
$28,749
District Rank
#9 of 11

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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