Enrollment
2,472
New York · 2024-25 NCES data
High school (grades 9-12) · Lagrangeville, NY
Arlington High School
Federal NCES profile for Arlington High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 360327000088
👥 S:T ratio 46
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 65
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arlington High School earns 56/100 on the Resource Investment Index, with class sizes larger than 75% of New York schools. It is also one of the largest schools in New York.
- #2 of 4
- public schools in Lagrangeville · Resource Index
- 56
- Resource Index · Higher
- 13.4:1
- large classes for New York
- 23.5%
- free-lunch eligible
Arlington High School has class sizes larger than 75% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Arlington High School ranks #2 of 4 public schools in Lagrangeville, NY.
School address
District: Arlington Central School District · New York
NCES ID 360327000088 Verify on NCES CCD record →
Teachers (FTE)
185.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 11.8:1 New York avg
+14% vs state
Free-lunch eligible
23.5%
vs 56.2% New York avg
-58% vs state
Student-teacher ratio in context
How Arlington High School compares with New York and U.S. medians
What stands out at Arlington High School
Arlington High School is a large high school in Lagrangeville, New York, enrolling 2,472 students.
Class loads run somewhat heavier than typical: 13.4:1 puts it in the larger third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 23.5% of students eligible for free meals.
By headcount it is one of the larger campuses in New York, bigger than 99% of state schools at 2,472 students.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 31 statewide peers matched on enrollment and economic need, it ranks mid-pack at #20.
Its student body is led by White (57%) and Hispanic or Latino (24%) (diversity index 60/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor coverage is strong, about 177 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.5% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Arlington Central School District also operates Union Vale Middle School (990 students) and Lagrange Middle School (817 students) alongside Arlington High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Arlington High School compares
Arlington High School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.4:1 | ▲ 14% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 23.5% | ▼ 58% | 56.2% | 51.7% |
| Enrollment | 2,472 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.4:1
Leaner classes than 63% of US schools, a middle-of-the-pack class size.
2,472
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
23.5%
free-lunch eligible
- 58% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.4:1
students per teacher
- 14% above state mean
Top 75% in New York - lower ratio than 25% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
23.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$26,949
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors14.0 FTE
Per 177 students, the combined health-and-guidance staffing load for this school.
Discipline context
320
in-school suspensions + 137 out-of-school
Suspension rate: 12.9 per 100 students. Combined in-school and out-of-school rate: 18.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 57.0%
Hispanic or Latino 23.9%
African American 10.4%
Two or More 5.1%
Asian 3.4%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 57.0% of enrollment.
Student-body diversity index 60.3/100
Simpson diversity index - at 60.3, Arlington High School is more mixed than the New York school average of 45.5.
Programs
AP courses offered 20
Funding & spending
District-wide per-pupil expenditure for Arlington Central School District, which includes Arlington High School.
$26,949
Per student
+2%
vs New York
Avg $26,410
+62%
vs U.S.
Avg $16,593
Revenue mix
Local 58.6%
State 33.0%
Federal 8.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Arlington High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Union Vale Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Lagrange Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Vail Farm Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Arthur S May School | Smaller | Higher economic need | Lower S:T ratio |
| Titusville Intermediate | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Arlington High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 990
- Students per teacher
- 10.8:1
- Resource Index
- 49/100
- Enrollment
- 817
- Students per teacher
- 9.1:1
- Resource Index
- 45/100
- Enrollment
- 653
- Students per teacher
- 11.3:1
- Resource Index
- 44/100
- Enrollment
- 496
- Students per teacher
- 9.9:1
- Resource Index
- 43/100
- Enrollment
- 425
- Students per teacher
- 12.1:1
- Resource Index
- 46/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,472 students)
Next steps
Verify locally before acting on Arlington High School's federal record.
- Compare Arlington High School against another school. Compare schools
- Arlington Central School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Arlington High School
How many students attend Arlington High School?
Arlington High School has 2,472 students enrolled. It is a high school in Lagrangeville, NY.
What is the student-teacher ratio at Arlington High School?
The student-teacher ratio at Arlington High School is 13.4:1, which is 14% higher than the New York average of 11.8:1 and 15% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Arlington High School?
23.5% of students at Arlington High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Arlington High School?
The largest demographic group at Arlington High School is White at 57.0% of enrollment, in Lagrangeville, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.3/100.
What is the Resource Investment Index for Arlington High School?
Arlington High School has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Arlington High School rank among public schools in Lagrangeville?
By Resource Investment Index, Arlington High School ranks #2 of 4 public schools in Lagrangeville, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lagrangeville on the city page.
Is Arlington High School a good school?
Arlington High School earns 56/100 on the Resource Investment Index, with class sizes larger than 75% of New York schools. It is also one of the largest schools in New York. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Arlington Central School District?
Besides Arlington High School, Arlington Central School District also operates Union Vale Middle School (990 students), Lagrange Middle School (817 students), and Vail Farm Elementary School (653 students). See the Arlington Central School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.