Ardsley Union Free School District

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. District totals are aggregated directly from the schools reporting under this district in the source records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.

Ardsley, New York - 3 schools

An equity score of 34/100 ranks Ardsley Union Free School District #664 of 941 districts in New York (state average 45). Derived live from how evenly resources are distributed across the district's schools.

At $28,561 per pupil, Ardsley Union Free School District ranks #276 of 999 New York districts by per-pupil spending (New York districts). NCES F-33 finance data.

2,298
Total Enrollment
3
Schools
$28,561
Per-Pupil Spending
Elementary, High
School Types

District-Level NCES Analysis

Ardsley Union Free School District operates 3 public schools serving 2,298 students, placing it among the smallest districts in New York. The school portfolio breaks down into 2 elementary, 1 high schools, a small enough portfolio that most families will interact with nearly every campus in the district at some point. These enrollment and school figures come from the NCES Common Core of Data (CCD) 2024-25 release, and the district is based in Westchester County.

Per-pupil expenditure runs $28,561 according to the NCES F-33 School District Finance Survey, in the upper half of 999 New York districts by per-pupil spending. See how New York compares in our national per-pupil spending analysis. The funding mix is 80.6% local, 14.5% state, and 4.9% federal, a local-revenue-heavy mix that leaves the district more exposed to property-tax swings and local ballot measures than state-funded peers. The district's equity score is 34/100, ranked #664 of 941 in New York against a state average of 45, notably less even than the typical district in the state for how evenly funding reaches its schools.

Academic infrastructure includes 1 of 3 schools offering Advanced Placement (20 AP courses district-wide), a 398.1:1 student-counselor ratio, well above the ASCA benchmark though still under the roughly 408:1 national average, and 8.3% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 51.8% White, 21.8% Asian, 15.0% Hispanic or Latino across the district's schools. Its most demographically mixed campus is Concord Road Elementary School, with a diversity index of 67.0/100.

Its largest campus is Ardsley Middle School, enrolling 790 students (34% of the district's total enrollment).

Ardsley Middle School accounts for 34.0% of all Ardsley Union Free School District student enrollment

That dominant concentration means Ardsley Union Free School District-wide averages can mask substantial variation outside the dominant entity. Grade band: elementary. A single dominant campus often anchors a district's program offerings and staffing patterns; the share helps explain why district-wide averages may not reflect the typical neighbourhood-school experience. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.

Source: NCES Common Core of Data NCES Common Core of Data

Ardsley Union Free School District student-counselor ratio is 398:1 — high (typically associated with staffing constraints that limit per-student counselor time; CRDC data shows higher ratios cluster in larger urban systems)

student-counselor ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE counselors against total enrollment, districts that contract intervention or social-emotional staff outside the counselor classification may be under-counted Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.

Source: NCES Civil Rights Data Collection NCES Civil Rights Data Collection

Ardsley Union Free School District chronic absenteeism rate is 8.3% — well below typical (typically associated with unusually small scale or exceptionally high per-unit investment)

chronic absenteeism rate is the simplest comparative metric but it does not capture the full picture: a student is chronically absent if they miss ≥10% of enrolled days for any reason, illness, family obligations, or disengagement Values this far below typical often correlate with unusually small scale or population characteristics rather than higher resource budgets per se — worth checking whether the underlying denominator is itself an outlier.

Source: NCES Civil Rights Data Collection 2021-22 NCES Civil Rights Data Collection 2021-22

Where does the funding come from?

4.9%
Federal
14.5%
State
80.6%
Local

Funding Equity

34
Equity Score
664 / 941
State Rank
45
State Average

This district scores below average on funding equity. High reliance on local revenue or lower spending may contribute.

Student Demographics

Average demographic composition across 3 schools in Ardsley Union Free School District.

White 51.8%
Hispanic or Latino 15.0%
African American 3.1%
Asian 21.8%
Multiracial 8.1%

Source: NCES CCD School Membership 2024-25.

Student-body diversity

Average diversity index 65.3/100

Average Simpson diversity index across Ardsley Union Free School District's schools, above the New York average of 45.5.

Most mixed schools

  1. 1 Concord Road Elementary School 67.0
  2. 2 Ardsley High School 64.5
  3. 3 Ardsley Middle School 64.2

Programs & Resources

1 / 3
Schools with AP
20 AP courses total
398.1:1
Student-Counselor Ratio
8.3%
Chronically Absent

Source: NCES Civil Rights Data Collection (CRDC) 2021-22.

Schools in Ardsley Union Free School District

School Enrollment
Ardsley Middle School
790
Concord Road Elementary School
780
Ardsley High School
755

How Ardsley Union Free School District Compares to Similar-Size Districts

The New York districts closest to this one in total enrollment.

District Enrollment Spending Funding Mix
Saugerties Central School District Similar size Similar spending Less locally funded
Johnson City Central School District Similar size Lower spending Less locally funded
Lawrence Union Free School District Similar size Higher spending Similar funding mix
Charter School for Applied Technologies Similar size Lower spending No revenue-mix data
Byram Hills Central School District Similar size Higher spending More locally funded

Comparisons are relative to Ardsley Union Free School District's own figures; each column derives from NCES Common Core of Data and the F-33 Finance Survey.

Nearby Districts in New York

Top districts in the same state, compare side-by-side for enrollment, spending, and demographics.

Compare Ardsley Union Free School District

See how this district compares to others in enrollment, spending, demographics, and academic resources.

Compare vs New York City Geographic District #31 →

Frequently Asked Questions

How many schools are in Ardsley Union Free School District?

Ardsley Union Free School District has 3 schools, including 2 elementary, 1 high. Total enrollment is 2,298 students.

How much does Ardsley Union Free School District spend per student?

Ardsley Union Free School District spends $28,561 per student. The district has an equity score of 34/100, ranking #664 in New York.

What is the demographic composition of Ardsley Union Free School District?

Ardsley Union Free School District students are 51.8% White, 21.8% Asian, 15.0% Hispanic or Latino, 3.1% African American, averaged across 3 schools. Source: NCES CCD Membership 2024-25.

What is the equity score for Ardsley Union Free School District?

Ardsley Union Free School District has an equity score of 34/100, ranking #664 out of 941 districts in New York.