Very Good
#898 of 4,742 schools in NY
Top 19% in state
Arlington High School
High School · Arlington Central School District · Lagrangeville, NY
An Arlington Central School District high school where students score 17 points above what's typical for similar communities.
1157 RT 55, Lagrangeville, NY 12540
- Math 95% proficient (2021)
- Reading 58% proficient (2021)
- 95.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Arlington High School score 76% proficient, which is above what's typical for similar communities (expected: 59%).
2021 EdFacts proficiency
Most recent published year. School vs. NY average.
Trend
↓ DecliningProficiency has fallen 19 points since 2018, to 77% in 2021, across a 13-year record (2009–2021).
Show all 13 years
Multi-year averages used by the rating model: math 94% (multi-year average, 2009-2021) · reading/ELA 89% (multi-year average, 2009-2021)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 26 test records from NY state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
28.6%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Arlington High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 26Car-Dependent
- Bike 9Somewhat Bikeable
- County Safety: Low118/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$107,436
Median home value
$443,800
Median rent
$2,077/mo
College educated
42.7%
Homeownership
86.3%
Poverty rate
5.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 12540; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
2 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Abilities FirstPrivate · tuition | 6.5 | K–12 | 3.2 mi | 105 | Compare → |
| Poughkeepsie Day SchoolPrivate · tuition | Not rated | PK–12 | 4.9 mi | 29 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Arlington Central School District
- Schools in district
- 11
- Rank in district
- #1 of 11
- District spending per student
- $28,749NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 5.0%Census SAIPE · 2024
Arlington High School is listed in ARLINGTON CENTRAL SCHOOL DISTRICT; a district label does not verify attendance for an address.
About Arlington High School
Arlington High School is a public high school in Lagrangeville, NY, part of Arlington Central School District, serving approximately 2,472 students in grades 9th-12th with a 13.6:1 student-teacher ratio. It holds a MySchoolScout rating of 7.8 out of 10 and ranks #898 of 4,742 schools in NY. State assessment records show 94% math proficiency (multi-year average, 2009-2021) and 89% reading/ELA proficiency (multi-year average, 2009-2021).
What's said publicly about Arlington High School
Synthesized from public, attributable sources. Updated April 2026.Reviewed for accuracy.
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 ranks #898 of 4,742 schools in NY.
What is Arlington High School's MySchoolScout rating?
Arlington High School has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Arlington High School?
Based on loaded state assessment records, Arlington High School has 94% math proficiency (multi-year average, 2009-2021) and 89% reading/ELA proficiency (multi-year average, 2009-2021).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 2,472
- Student-Teacher Ratio
- 13.6:1
- Teachers (FTE)
- 182
- Type
- regular
- Setting
- Large Suburb
- County
- Dutchess County
- Chronic Absenteeism (SY 2022-23)
- 27.1%
- Phone
- (845) 486-4860
- 4-Year Graduation
- 95.0%
- Area population (ZIP 12540)
- 9,314
- Area average commute
- 39.1 min
- Area median age
- 40.2
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 12540; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2021; directory SY 2023–24
Related reading
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- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
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