Chappaqua Central School District, NY

Original Research by School Decision on Chappaqua Central School District

Chappaqua Central School District serves a wealthy suburban community in Westchester County, spanning kindergarten through grade 12 across six schools. The district enrolls a mid-sized student body with strong demographic representation from white and Asian families, and a smaller but present Latino population. The community's housing values are well above state and national averages, reflecting the affluence of the towns it covers: Chappaqua, Armonk, Briarcliff Manor, Millwood, Mount Kisco, and Pleasantville.

Academic performance across the district is notably strong. In math, proficiency rates cluster in the high eighties to low nineties across elementary and middle grades, with sixth grade reaching the highest performance and third grade showing the lowest of the tested levels. English language arts proficiency follows a similar high arc, with results consistently in the high eighties and reaching nearly nine in ten students in third and eighth grades. Science proficiency, tested at fifth and eighth grades, shows slightly softer results, with fifth-grade students performing in the mid-seventies. The district's overall proficiency index ranks in the top quartile among Westchester County's districts, a meaningful distinction in a county that includes many high-performing suburbs.

Chronic absenteeism in the district stands notably low, also placing it in the top quartile countywide. Per-pupil spending sits in the upper-middle range for the county, substantially above the median but not at the extreme high end.

The district has undertaken two significant recent changes that families should understand. In late 2022, voters approved a large facilities bond addressing infrastructure deferred for many years: roof replacements across all buildings, network and fiber upgrades, and HVAC improvements to gymnasiums and cafeterias. The second proposition on that referendum, for enhanced security at Horace Greeley High School, did not pass. The bond carries a lasting property-tax impact that varies by home value but is material for families considering the district.

More directly affecting classroom practice, the district has shifted elementary literacy instruction toward the Science of Reading framework. The anchor reading program has moved away from Units of Study toward a structured, phonics-based approach: Phonics First for kindergarten through grade 2, and Benchmark Phonics for grades 3 through 5. This represents a wholesale pedagogical change in how early readers are taught, and families with elementary-age children would benefit from understanding whether this aligns with their expectations for reading instruction.

The district has no reported graduation rate in the data, a gap likely reflecting timing of the data collection or reporting scope rather than an absence of a high school. State testing data was not available for grades 9 through 12, so college-readiness indicators and high school proficiency cannot be assessed from the available information. Free-or-reduced-price lunch data and counts of students receiving special education services or English learner support were also not provided, so the full socioeconomic and need profile of the district remains incomplete.

Families considering Chappaqua are typically drawn by strong elementary and middle school academics, a stable and affluent community, and proximity to New York City. The district's performance data and low chronic absenteeism suggest it delivers consistent instruction and engagement. The recent infrastructure investment and literacy curriculum shift are substantive moves that reshape the physical and instructional environment, and parents may want to learn more directly from the schools about how these changes are unfolding and what they mean for their child's experience.

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District Context

Officially reported figures, 2024-25.

Enrollment

3,578

Grades

KG–12

Schools

Student body

Hispanic 8%

Black 1%

White 69%

Asian 16%

Two+ 6%

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

72%

—

Gr 3

60%

91%

Gr 4

47%

90%

Gr 5

69%

91%

Gr 6

67%

88%

Gr 7

59%

91%

Gr 8

59%

93%

Math

Gr EOC

59%

—

Gr 3

50%

87%

Gr 4

67%

91%

Gr 5

67%

90%

Gr 6

92%

95%

Gr 7

70%

96%

Gr 8

57%

91%

Science

Gr EOC

77%

—

Gr 5

53%

77%

Social studies

Gr EOC

74%

—

Schools in this District

6 schools are officially reported under this district.

DOUGLAS G GRAFFLIN SCHOOL

HORACE GREELEY HIGH SCHOOL

ROARING BROOK SCHOOL

ROBERT E BELL SCHOOL

WESTORCHARD SCHOOL

SEVEN BRIDGES MIDDLE SCHOOL

Academic Performance

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

Mathematics

6 grades reported

86%

Grade 3

90%

Grade 4

89%

Grade 5

95%

Grade 6

94%

Grade 7

88%

Grade 8

English Language Arts

6 grades reported

89%

Grade 3

87%

Grade 4

90%

Grade 5

88%

Grade 6

88%

Grade 7

90%

Grade 8

Science

1 grade reported

75%

Grade 5

Housing & Real Estate

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

Home Values

Typical home value$1.29M

Year-over-year change+9.2%

Range across 6 ZIP codes$921K to $1.7M

vs. state typical2.53x

vs. national typical3.50x

Home value trend (12 months)

ZIP code home values (6 ZIP codes)

ZIP	City	Value	YoY	Weight
10514	Chappaqua	$1.5M	+10.0%	64.7%
10549	Mount Kisco	$921K	+9.2%	23.3%
10546	Millwood	$954K	+5.3%	6.5%
10510	Briarcliff Manor	$1.1M	+6.6%	3.8%
10570	Pleasantville	$1.0M	+2.4%	0.9%
10504	Armonk	$1.7M	+5.2%	0.8%

Rental Market

Typical monthly rent$3,837/mo

Range across 3 ZIP codes$2,765 to $4,225/mo

Rent trend (12 months)

ZIP code rents (3 ZIP codes)

ZIP	City	Rent/mo	YoY	Weight
10514	Chappaqua	$4,225	—	64.7%
10549	Mount Kisco	$2,765	—	23.3%
10570	Pleasantville	$3,721	—	0.9%

Affordability

Est. monthly mortgage (20% down at 6.48%)$6,510/mo

Home price / national median income15.4x

Annual rent / national median income55.0%

Est. mortgage exceeds rent by$2,673/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.