Enrollment
790
New York · 2024-25 NCES data
Elementary school (grades K-5) · Ardsley, NY
Ardsley Middle School
Federal NCES profile for Ardsley Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360318000081
👥 S:T ratio 53
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ardsley Middle School earns 53/100 on the Resource Investment Index, with class sizes near the New York median.
- #2 of 3
- public schools in Ardsley · Resource Index
- 53
- Resource Index · Higher
- 11.8:1
- students per teacher
- 790
- students enrolled
Ardsley Middle School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ardsley Middle School ranks #2 of 3 public schools in Ardsley, NY.
School address
District: Ardsley Union Free School District · New York
NCES ID 360318000081 Verify on NCES CCD record →
Teachers (FTE)
67.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 11.8:1 New York avg
+0% vs state
Student-teacher ratio in context
How Ardsley Middle School compares with New York and U.S. medians
What stands out at Ardsley Middle School
Ardsley Middle School is a large elementary school in Ardsley, New York, enrolling 790 students.
At 11.8:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Enrollment of 790 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Its student body is led by White (54%) and Asian (21%) (diversity index 64/100).
Counselor coverage runs a bit thin, about 263 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance holds up well here: only 7.2% of students were chronically absent, below the typical post-pandemic national figure.
Ardsley Union Free School District also operates Concord Road Elementary School (780 students) and Ardsley High School (755 students) alongside Ardsley Middle 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 Ardsley Middle School compares
Ardsley Middle 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 | 11.8:1 | ▼ 0% | 11.8:1 | 15.7:1 |
| Enrollment | 790 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
790
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
11.8:1
students per teacher
- 0% above state mean
Top 56% in New York - lower ratio than 44% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
7.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$28,561
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
Counselors3.0 FTE
Per 263 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 28 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 3.5 per 100 students. Reported via the Civil Rights Data Collection.
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 53.5%
Asian 21.1%
Hispanic or Latino 13.4%
Two or More 9.0%
African American 2.8%
American Indian / Alaska Native 0.1%
Largest group: White at 53.5% of enrollment.
Student-body diversity index 64.2/100
Simpson diversity index - at 64.2, Ardsley Middle School is more mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Ardsley Union Free School District, which includes Ardsley Middle School.
$28,561
Per student
+8%
vs New York
Avg $26,410
+72%
vs U.S.
Avg $16,593
Revenue mix
Local 80.6%
State 14.5%
Federal 4.9%
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 Ardsley Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Concord Road Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
| Ardsley High School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Ardsley Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 780
- Students per teacher
- 11.5:1
- Resource Index
- 38/100
- Enrollment
- 755
- Students per teacher
- 10.1:1
- Resource Index
- 62/100
Similar elementary 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 (~790 students)
Next steps
Verify locally before acting on Ardsley Middle School's federal record.
- Compare Ardsley Middle School against another school. Compare schools
- Ardsley Union Free 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 Ardsley Middle School
How many students attend Ardsley Middle School?
Ardsley Middle School has 790 students enrolled. It is an elementary school in Ardsley, NY.
What is the student-teacher ratio at Ardsley Middle School?
The student-teacher ratio at Ardsley Middle School is 11.8:1, which is 0% higher than the New York average of 11.8:1 and 25% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Ardsley Middle School?
The largest demographic group at Ardsley Middle School is White at 53.5% of enrollment, in Ardsley, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.2/100.
What is the Resource Investment Index for Ardsley Middle School?
Ardsley Middle School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ardsley Middle School rank among public schools in Ardsley?
By Resource Investment Index, Ardsley Middle School ranks #2 of 3 public schools in Ardsley, 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 Ardsley on the city page.
Is Ardsley Middle School a good school?
Ardsley Middle School earns 53/100 on the Resource Investment Index, with class sizes near the New York median. 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 Ardsley Union Free School District?
Besides Ardsley Middle School, Ardsley Union Free School District also operates Concord Road Elementary School (780 students) and Ardsley High School (755 students). See the Ardsley Union Free 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.