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
Enrollment
2,472
Student-Teacher
13.6:1
Score
6.2
Grades
9th – 12th
Updated
2022-23
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
Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.
Sources (3)
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
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Arlington High School — Students at Arlington High School score 76% proficient, which is above what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
28.6%
Students qualifying for federal meal assistance
Test Scores NY EDFACTS (2020-21)
Based on 4 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 95% (2019) to 95% (2021). Reading/ELA proficiency has declined from 95% (2019) to 58% (2021).
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.
Neighborhood Context
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
- Phone
- (845) 486-4860
- Data Year
- 2023–2024
Resources & Links
District
ARLINGTON CENTRAL SCHOOL DISTRICT- District Enrollment
- 7,768
- Schools in District
- 11
- Per-Pupil Spending
- $28,749
- District Rank
- #9 of 11
Other Schools in This District
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 methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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