At a glance
Reported students
755
NCES CCD 2024–25
Teachers (FTE)
76.32
NCES CCD 2024–25
Student–teacher ratio
9.9:1
Calculated; not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
New York high enrollment
73rd percentile
Compared with 1,188 same-level schools reporting enrollment.
District median enrollment
780
ARDSLEY HIGH SCHOOL: 755 reported students.
State peer staffing position
34th percentile
9.9:1 reported; state peer median 10.8:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 724
- Teachers (FTE)
- 74
- Student–teacher ratio
- 9.8:1
What the reported data says about ARDSLEY HIGH SCHOOL
ARDSLEY HIGH SCHOOL is a public high school serving grades 09–12 in ARDSLEY. It is one of 3 current school records connected to ARDSLEY UNION FREE SCHOOL DISTRICT. NCES reports 755 students for 2024–25.
Among 1,188 high schools in New York with comparable records, this school is larger than the reported median of 460 students. Its enrollment is at approximately the 73rd percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 9.9:1, close to the New York median of 10.8:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (52.3%) and Asian (22.1%). English learners represent 0.6% of enrollment. Students served under IDEA represent 14.5%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports AP student enrollment, computer science. The school reported 20 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking ARDSLEY HIGH SCHOOL
- 1How do the reported 9.9:1 student–teacher ratio and 76.32 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3What counseling support is available today? The school reported 5 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 0.6%
- Students with disabilities
- 14.5%
- Free/reduced-price lunch
- 15.8%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 5
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 3
- Social workers (FTE)
- 1
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White52.3%
- Hispanic17%
- Black3.7%
- Asian22.1%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial4.8%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
AP student enrollment
Students enrolled
20 distinct courses reported
Gifted and talented
Not reported as offered
Computer science
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in ARDSLEY UNION FREE SCHOOL DISTRICT
Start with campuses at the same school level or with similar reported enrollment.
CONCORD ROAD ELEMENTARY SCHOOL
Elementary · Grades KG–04
780 reported students
ARDSLEY MIDDLE SCHOOL
Middle · Grades 05–08
790 reported students