Enrollment
275
Elementary
DISTRICT 318 · STATE 443
SCHOOL COMMUNITY·PELHAM UNION FREE SCHOOL DISTRICT·NCES 362268003190
SIWANOY SCHOOL
489 SIWANOY PL, PELHAM, NY 10803 · (914) 738-7650 · Westchester County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL275 STUDENTS
A
allk12 Grade
Scored higher than 94% of New York public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools
Student : Teacher
12.3:1
22 FTE teachers
DISTRICT 11.9:1 · STATE 12.8:1
Free / Reduced Lunch
6%
17 students
DISTRICT 10% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 38 | 14% |
| Grade 1 | 45 | 16% |
| Grade 2 | 47 | 17% |
| Grade 3 | 51 | 19% |
| Grade 4 | 47 | 17% |
| Grade 5 | 45 | 16% |
| Ungraded | 2 | 1% |
This year's kindergarten class (38) is 16% smaller than its 5th grade class (45).
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 56% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within PELHAM UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
93.0%
NY avg 58.3% . +6.0pp since 2023
Math
94.0%
NY avg 57.4% . +8.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 93 of every 100 students at this school read and write at grade level and about 94 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 6 points since 2023, while math scores are up about 8 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 93.0% | 94.0% |
| 2023-24 | 87.0% | 86.0% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
87.5%
composite math + reading, all grades
Predicted
72.7%
based on NY schools with similar FRL share
Beats by
+14.8pp
above demographic expectation
What this means: About 88% of students here test proficient in math and reading, compared with the roughly 73% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like SIWANOY SCHOOL
SIWANOY SCHOOL's state test result (87.5% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| SIWANOY SCHOOL this school | 275 | 6.2% | 87.5% |
| MAIN STREET SCHOOL SCHOOL (4-5) IRVINGTON | 277 | 8.3% | 77.3% |
| COLONIAL SCHOOL PELHAM | 296 | 2.0% | 86.3% |
| INDIAN HOLLOW SCHOOL COMMACK | 254 | 11.8% | N/A |
| PROSPECT HILL SCHOOL PELHAM | 334 | 2.4% | 86.1% |
| HALDANE ELEMENTARY SCHOOL COLD SPRING | 293 | 12.3% | 73.3% |
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where SIWANOY SCHOOL ranks
Among elementary schools| Measure | This school | In New York | In Westchester County |
|---|---|---|---|
| State test proficiency ranked highest first | 87.5% | #65 of 2,335 | #4 of 120 |
| Math proficiency ranked highest first | 94.0% | #88 of 2,342 ▲ 86 | #4 of 127 ▲ 20 |
| Reading proficiency ranked highest first | 93.0% | #50 of 2,343 ▼ 7 | #6 of 127 ▲ 1 |
| Enrollment ranked largest first | 275 | #2,127 of 2,585 | #133 of 146 |
| Students per teacher ranked fewest first | 12.3:1 | #1,372 of 2,338 | #75 of 141 |
| Diversity index ranked most diverse first | 46.8% | #1,360 of 2,388 | #93 of 141 |
| Free and reduced lunch ranked highest share first | 6.2% | #2,475 of 2,534 | #118 of 137 |
| Enrollment change since 2017-18 ranked steepest decline first | -3.2% | #1,589 of 1,757 | #87 of 100 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
275
+15 (+6%) vs 2020
+54% since 1990-91, when it was 178
Student : Teacher
12.3:1
was 12.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 275 | 22.5 | 12.3:1 | 6% (17) |
| 2023-24 | 287 | 21.3 | 13.5:1 | N/A |
| 2022-23 | 274 | 19.4 | 14.1:1 | N/A |
| 2020-21 | 260 | 21 | 12.4:1 | 4% (10) |
| 2017-18 | 284 | 17 | 16.7:1 | 4% (11) |
| 2015-16 | 280 | 16 | 17.5:1 | 2% (6) |
| 2010-11 | 291 | 22 | 13.2:1 | 0% (0) |
| 2000-01 | 293 | 14 | 20.9:1 | 0% (0) |
| 1990-91 | 178 | 16 | 11.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for SIWANOY SCHOOL.
About SIWANOY SCHOOL
SIWANOY SCHOOL serves students in PELHAM, New York, as a small elementary school. The school runs kindergarten through 5 and enrolls 275 students. Elementary schools in New York have about 443 students on average; enrollment here is 38% lower.
PELHAM UNION FREE SCHOOL DISTRICT counts 6 schools and 2,828 students, including SIWANOY SCHOOL.
The largest group at SIWANOY SCHOOL is White students, at 71%. Other groups make up 9% Hispanic, 9% multiracial, 8% Asian, and 2% Black. County-wide, 52% of Westchester County residents are White. Measured by the diversity index, the student body scores 47%.
The school's 22.5 full-time-equivalent teachers translate to a student-to-teacher ratio of 12.3:1. The ratio is within a point of the 12.8:1 average for elementary schools in New York. At SIWANOY SCHOOL, 6% of students qualify for free or reduced-price lunch in 2024-25. For comparison, public schools in Westchester County average 38%.
Among New York public elementary schools, SIWANOY SCHOOL outscored 94%, which works out to an A on the allk12 Grade.
SIWANOY SCHOOL's actual average proficiency rate across its state test results (87.5%) and its predicted rate (72.7%) put it outside the top and bottom 10% of New York schools.
American Community Survey estimates for Westchester County show that the median household earns about $118,976 a year, about 53% of adults have at least a bachelor's degree, and the poverty rate is about 6%. Across Westchester County, 255 public schools serve about 140,968 students.
PELHAM MEMORIAL HIGH SCHOOL is about 0.3 miles from SIWANOY SCHOOL, the shortest distance to any other public school. Counting only straight-line distance, at least 8 other public schools are within five miles. SIWANOY SCHOOL places 1st of 9 on proficiency among the closest schools that report scores.
Under the NCES locale system, SIWANOY SCHOOL is Suburb: Large.
Over 4 years, enrollment increased by 15 students, from 260 to 275.
On allk12, people connected to SIWANOY SCHOOL can post about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.
Westchester County at a glance
View full county profilePopulation
999,677
Census ACS
Median income
$118,976
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
255
140,968 students
Quick facts
Related schools
Other schools in PELHAM UNION FREE SCHOOL DISTRICT
- PELHAM MEMORIAL HIGH SCHOOLHigh · 852 students
- PELHAM MIDDLE SCHOOLMiddle · 705 students
- HUTCHINSON SCHOOLElementary · 366 students
- PROSPECT HILL SCHOOLElementary · 334 students
- COLONIAL SCHOOLElementary · 296 students
Other schools in PELHAM
- PELHAM MEMORIAL HIGH SCHOOLHigh · 852 students
- PELHAM MIDDLE SCHOOLMiddle · 705 students
- HUTCHINSON SCHOOLElementary · 366 students
- PROSPECT HILL SCHOOLElementary · 334 students
- COLONIAL SCHOOLElementary · 296 students
Nearby schools
- PELHAM MEMORIAL HIGH SCHOOL0.3 mi · 852
- COLONIAL SCHOOL0.3 mi · 296
- PELHAM MIDDLE SCHOOL0.4 mi · 705
- PROSPECT HILL SCHOOL0.6 mi · 334
- GRAHAM SCHOOL0.7 mi · 406
- COLUMBUS ELEMENTARY SCHOOL1.0 mi · 728
Frequently asked questions
About SIWANOY SCHOOLHow large is SIWANOY SCHOOL?
SIWANOY SCHOOL enrolls approximately 275 students in grades KG-05.
What age range does SIWANOY SCHOOL serve?
SIWANOY SCHOOL serves students from grade KG through grade 05.
How many students per teacher at SIWANOY SCHOOL?
Approximately 12.3:1 students per teacher at SIWANOY SCHOOL.
How diverse is SIWANOY SCHOOL?
SIWANOY SCHOOL reports a student body of 71% White, 9% Hispanic, 2% Black, 8% Asian, 9% Two or more.
What district is SIWANOY SCHOOL in?
SIWANOY SCHOOL is part of PELHAM UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.