- Enrollment
- 790
- Students per teacher
- 11.8:1
- Resource Index
- 53/100
High school (grades 9-12) · Ardsley, NY
Ardsley High School
Federal NCES profile for Ardsley High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 360318000080
👥 S:T ratio 60
🌟 Gifted program 30
🎓 Counselors 70
📋 Attendance 87
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ardsley High School earns 62/100 on the Resource Investment Index, with class sizes near the New York median.
- #1 of 3
- public schools in Ardsley · Resource Index
- 62
- Resource Index · Higher
- 10.1:1
- students per teacher
- 755
- students enrolled
Ardsley High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ardsley High School ranks #1 of 3 public schools in Ardsley, NY.
School address
District: Ardsley Union Free School District · New York
NCES ID 360318000080 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+32 students YoY
Ardsley High School held near 748 students from 2022-23 to 2023-24 (+32 headcount).
Teacher FTE added 75.1 → 78.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+32 students YoY 360318000080 · Ardsley, NY High · MID · TRAD
755 enr · 10.1:1 · RII 62
Nearest enrollment peer: Ardsley Middle School (790 students)
Ardsley High School held near 748 students from 2022-23 to 2023-24 (+32 headcount). Teacher FTE added 75.1 → 78.4 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Ardsley High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Ardsley Middle
Ardsley Middle School
790 students
- Concord Road E
Concord Road Elementary School
780 students
- This school
Ardsley High School
755 students
What this shows Ardsley High School reports 755 students on the CCD universe file.
How Ardsley High School compares
Ardsley High School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.1:1 | ▼ 14% | 11.8:1 | 15.7:1 |
| Enrollment | 755 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.1:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
755
Bigger than 83% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
10.1:1
students per teacher
- 14% below state mean
Top 31% in New York - lower ratio than 69% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
5.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$29,805
per pupil, district-wide
- above New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 151 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 52.3%
Asian 22.1%
Hispanic or Latino 17.0%
Two or More 4.8%
African American 3.7%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 52.3% of enrollment.
Student-body diversity index 64.5/100
Simpson diversity index - at 64.5, Ardsley High School is more mixed than the New York school average of 45.5.
Programs
AP courses offered 20
District finance for Ardsley Union Free School District reports $29,805 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ardsley High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ardsley Middle School | Similar size | No free-lunch data | Higher S:T ratio |
| Concord Road Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Ardsley High 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
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~755 students)
Similar student-teacher ratio (~10.1:1)
Frequently asked questions about Ardsley High School
How many students attend Ardsley High School?
Ardsley High School has 755 students enrolled. It is a high school in Ardsley, NY. CCD year-over-year: 716 (2022-23) → 748 (2023-24), nearly flat (+32).
What is the student-teacher ratio at Ardsley High School?
The student-teacher ratio at Ardsley High School is 10.1:1, which is 14% lower than the New York average of 11.8:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Ardsley High School?
The largest demographic group at Ardsley High School is White at 52.3% of enrollment, in Ardsley, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.5/100.
What is the Resource Investment Index for Ardsley High School?
Ardsley High School has a Resource Investment Index of 62/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ardsley High School rank among public schools in Ardsley?
By Resource Investment Index, Ardsley High School ranks #1 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.
What other schools are in Ardsley Union Free School District?
Besides Ardsley High School, Ardsley Union Free School District also operates Ardsley Middle School (790 students) and Concord Road Elementary School (780 students). See the Ardsley Union Free School District district page for the complete list.