Ardsley Union Free School District, NY

Original Research by School Decision on Ardsley Union Free School District

Ardsley Union Free School District serves kindergarten through grade twelve across three schools in an affluent corridor of Westchester County. The district enrolls roughly twenty-three hundred students, with a demographic mix of about half white, one-quarter Asian, roughly one-sixth Hispanic, and smaller shares of Black and multiracial students. Free and reduced-price lunch data were not available, which is common in affluent districts, but housing values and rental costs in the area are above state and national benchmarks.

In state testing, Ardsley performs well overall. The district's proficiency index places it in the top quartile among Westchester County's districts. In math, elementary and middle grades show proficiency rates ranging from the low eighties to mid-nineties. Grade three through six track in the upper seventies to mid-eighties; grade seven reaches the ninety-six percent mark, which stands out, then dips to the mid-seventies in grade eight. The high school grades are tested differently, so math proficiency data end at grade eight. In English language arts, the pattern is somewhat softer: grade three begins at around sixty-nine percent, rising to the mid-eighties by grades four and five, then declining to the mid-seventies in grade six before recovering to around eighty percent by grade eight. Science proficiency in grade five sits around seventy-four percent, and in grade eight it reaches eighty-five percent, though participation rates in high school grades are lower overall, which is typical when some students take advanced or accelerated pathways not included in the standard state assessment. Participation rates across elementary and middle grades hover in the ninety percent range, indicating strong test attendance.

Among the county's districts, Ardsley's chronic absenteeism rate sits above the midpoint, at a level some parents may want to explore further with the district to understand what drives it and what supports exist. Per-pupil current spending in Ardsley falls in the lower range compared to peer districts in the county, despite the area's wealth, which may reflect operational efficiency or different spending priorities.

The district is midway through a substantial multi-year facilities modernization, funded by a bond voters approved in May 2024. Construction began in May 2025 and includes renovations across all three school buildings: a new high school field, turf, and track; security vestibules; modernized classrooms; and wellness spaces. The work will span several years and is repaid through property taxes. Additionally, in 2022 the district completed an HVAC upgrade across all buildings to improve classroom air quality, also funded by voter approval.

Instructionally, the district has adopted a multi-tiered system of supports (MTSS) framework alongside an equity initiative and a new technology plan meant to strengthen standards-based instruction and data-informed supports. These shifts reflect recent professional development and external peer review through a regional consortium.

Ardsley is a homeownership-oriented community. The median home value in the district's zipcode falls above one million dollars, and rental data are sparse but suggest similarly elevated costs. The housing market is currently showing a modest supply of active listings and relatively short median days on market, indicating a relatively active but not overheated local real estate environment.

A parent considering Ardsley should expect solid proficiency rates in elementary and early middle grades, particularly in math, with reading literacy tracking somewhat behind math. High school assessment data were not available, so a family may want to ask the high school directly about advanced course options, AP offerings, and college placement outcomes. The ongoing capital improvements will reshape the school environments over the coming years. The district's focus on equity-centered, multi-tiered instruction and technology suggests a commitment to responsive, inclusive teaching, though the effects on classroom practice are still being implemented.

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District Context

Officially reported figures, 2024-25.

Enrollment

2,324

Grades

KG–12

Schools

Student body

Hispanic 15%

Black 3%

White 53%

Asian 21%

Two+ 8%

Am. Indian / AK Native 0%

Hawaiian / Pac. Isl. 0%

By economic status

Percent proficient by grade, as reported

Economically disadvantaged

Not disadvantaged

ELA

Gr EOC

100%

—

Gr 3

53%

71%

Gr 4

82%

84%

Gr 5

67%

88%

Gr 6

43%

80%

Gr 7

60%

82%

Gr 8

63%

86%

Math

Gr EOC

66%

—

Gr 3

65%

86%

Gr 4

73%

89%

Gr 5

57%

84%

Gr 6

64%

88%

Gr 7

79%

98%

Gr 8

22%

85%

Science

Gr EOC

75%

—

Gr 5

67%

75%

Gr 8

67%

88%

Social studies

Gr EOC

90%

—

Schools in this District

3 schools are officially reported under this district.

ARDSLEY HIGH SCHOOL

ARDSLEY MIDDLE SCHOOL

CONCORD ROAD ELEMENTARY SCHOOL

Academic Performance

Percent of students meeting or exceeding state standards, by grade.

Mathematics

6 grades reported

83%

Grade 3

88%

Grade 4

81%

Grade 5

85%

Grade 6

96%

Grade 7

75%

Grade 8

English Language Arts

6 grades reported

69%

Grade 3

84%

Grade 4

85%

Grade 5

75%

Grade 6

80%

Grade 7

83%

Grade 8

Science

2 grades reported

74%

Grade 5

85%

Grade 8

Housing & Real Estate

Data as of April 2026 | District-weighted from constituent ZIP codes

Home Values

Typical home value$1.08M

Year-over-year change+8.3%

Range across 7 ZIP codes$720K to $1.5M

vs. state typical2.12x

vs. national typical2.94x

Home value trend (12 months)

ZIP code home values (7 ZIP codes)

ZIP	City	Value	YoY	Weight
10502	Ardsley	$1.0M	+7.4%	49.8%
10583	Scarsdale	$1.5M	+9.3%	16.2%
10522	Dobbs Ferry	$987K	+9.2%	10.9%
10530	Hartsdale	$720K	+7.4%	7.5%
10706	Hastings on Hudson	$1.1M	+11.3%	6.8%
10533	Irvington	$1.3M	+10.6%	5.2%
10607	White Plains	$809K	+7.5%	3.6%

Rental Market

Typical monthly rent$4,986/mo

Year-over-year change+13.3%

Range across 4 ZIP codes$3,177 to $7,076/mo

Rent trend (12 months)

ZIP code rents (4 ZIP codes)

ZIP	City	Rent/mo	YoY	Weight
10583	Scarsdale	$7,076	—	16.2%
10522	Dobbs Ferry	$3,825	+13.3%	10.9%
10706	Hastings on Hudson	$3,177	—	6.8%
10533	Irvington	$3,276	—	5.2%

Affordability

Est. monthly mortgage (20% down at 6.48%)$5,470/mo

Home price / national median income12.9x

Annual rent / national median income71.5%

Est. mortgage exceeds rent by$484/mo

Market Activity: Westchester County

Median listing price$750,000

Median listing price YoY-5.7%

Median price per sq ft$419

Median price per sq ft YoY+1.9%

Median days on market30.5 days

Median days on market YoY-12.9%

Active listings1,539

Active listings YoY-2.0%

New listings1,108

New listings YoY-8.3%

Pending listings236

Pending listings YoY-88.6%

Hotness: median listing price$712,500

Hotness: median listing price YoY-3.2%

Supply score94.1

Supply score YoY+11.3%

Demand score70.5

Demand score YoY+35.4%

Median listing price (12 months)

Median price per sq ft (12 months)

Median days on market (12 months)

Active listings (12 months)

New listings (12 months)

Pending listings (12 months)

Hotness: median listing price (12 months)

Supply score (12 months)

Demand score (12 months)

Comparison

State typical home value$510,449 (+5.0% YoY)

National typical home value$368,198 (+0.6% YoY)

State ZHVI trend (12 months)

National ZHVI trend (12 months)

Economic Context

30-year fixed mortgage rate6.48%

National unemployment rate4.3%

National median household income$83,730

CPI: Rent of shelter (index)447.05

30-year fixed mortgage rate (12 months)

National unemployment rate (12 months)

National median household income (12 months)

CPI: Rent of shelter (index) (12 months)

Sources: Zillow Home Value Index and Zillow Observed Rent Index (Zillow Group), Realtor.com via Federal Reserve Bank of St. Louis (FRED)

Data Currently Unavailable

Civil Rights Data (CRDC)

This profile is derived exclusively from publicly available federal and state datasets. It may not reflect the most current information available. We encourage parents and families to supplement this data with information published directly on the school’s website, which may include more recent figures, additional programs, or updated enrollment data.