Enrollment
332
Elementary
DISTRICT 484 · STATE 443
SCHOOL COMMUNITY·YONKERS CITY SCHOOL DISTRICT·NCES 363192004269
MONTESSORI SCHOOL 27
132 VALENTINE LN, YONKERS, NY 10705 · (914) 376-8455 · Westchester County
GRADES PK–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL332 STUDENTS
B+
allk12 Grade
Scored higher than 72% of New York public elementary schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats 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
17.5:1
19 FTE teachers
DISTRICT 18.0:1 · STATE 12.8:1
Free / Reduced Lunch
53%
176 students
DISTRICT 69% · 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 |
|---|---|---|
| Pre-K | 48 | 14% |
| Kindergarten | 70 | 21% |
| Grade 1 | 45 | 14% |
| Grade 2 | 33 | 10% |
| Grade 3 | 41 | 12% |
| Grade 4 | 36 | 11% |
| Grade 5 | 31 | 9% |
| Grade 6 | 25 | 8% |
| Ungraded | 3 | 1% |
This year's kindergarten class (70) is 180% larger than its 6th grade class (25).
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 55% · 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
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
75.0%
NY avg 58.3% . +17.0pp since 2023
Math
70.0%
NY avg 57.4% . +10.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 75 of every 100 students at this school read and write at grade level and about 70 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 17 points since 2023, while math scores are up about 10 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 75.0% | 70.0% |
| 2023-24 | 58.0% | 60.0% |
% 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
61.5%
composite math + reading, all grades
Predicted
55.5%
based on NY schools with similar FRL share
Beats by
+6.0pp
above demographic expectation
What this means: About 62% of students here test proficient in math and reading, compared with the roughly 56% 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 MONTESSORI SCHOOL 27
MONTESSORI SCHOOL 27's state test result (61.5% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| MONTESSORI SCHOOL 27 this school | 332 | 53.0% | 61.5% |
| SCHOOL 22 YONKERS | 381 | 61.2% | 30.4% |
| HENRY BARNARD SCHOOL NEW ROCHELLE | 435 | 56.1% | N/A |
| LANDING SCHOOL GLEN COVE | 355 | 58.0% | 35.6% |
| BALMVILLE SCHOOL NEWBURGH | 376 | 58.8% | 29.0% |
| NEW WINDSOR SCHOOL NEW WINDSOR | 439 | 53.5% | 45.5% |
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 MONTESSORI SCHOOL 27 ranks
Among elementary schools| Measure | This school | In New York | In Westchester County |
|---|---|---|---|
| State test proficiency ranked highest first | 61.5% | #692 of 2,335 | #53 of 120 |
| Math proficiency ranked highest first | 70.0% | #724 of 2,342 ▲ 219 | #59 of 127 ▲ 10 |
| Reading proficiency ranked highest first | 75.0% | #387 of 2,343 ▲ 200 | #48 of 127 ▲ 11 |
| Enrollment ranked largest first | 332 | #1,796 of 2,585 | #112 of 146 |
| Students per teacher ranked fewest first | 17.5:1 | #2,240 of 2,338 | #125 of 141 |
| Diversity index ranked most diverse first | 50.0% | #1,232 of 2,388 | #82 of 141 |
| Free and reduced lunch ranked highest share first | 53.0% | #1,320 of 2,534 | #46 of 137 |
| Enrollment change since 2017-18 ranked steepest decline first | -13.1% | #957 of 1,757 | #34 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
332
-50 (-13%) vs 2020
-14% since 1990-91, when it was 388
Student : Teacher
17.5:1
was 20.1:1
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 | 332 | 18.9 | 17.5:1 | 53% (176) |
| 2023-24 | 332 | 18.4 | 18.1:1 | 58% (194) |
| 2022-23 | 333 | 19 | 17.5:1 | 64% (214) |
| 2020-21 | 382 | 19 | 20.1:1 | 71% (271) |
| 2017-18 | 382 | 18 | 21.2:1 | 52% (199) |
| 2015-16 | 369 | 15 | 24.6:1 | 67% (247) |
| 2010-11 | 411 | 22 | 18.7:1 | 56% (231) |
| 2000-01 | 370 | 24 | 15.4:1 | 50% (184) |
| 1990-91 | 388 | 26 | 14.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for MONTESSORI SCHOOL 27.
About MONTESSORI SCHOOL 27
Students in YONKERS, New York, attend MONTESSORI SCHOOL 27, a small elementary school. It offers pre-K through 6 and has 332 students enrolled. By comparison, elementary schools in New York enroll about 443 students on average.
YONKERS CITY SCHOOL DISTRICT is the local district for MONTESSORI SCHOOL 27. It runs 42 schools with 24,376 students.
At MONTESSORI SCHOOL 27, 68% of students are Hispanic. It is also 17% Black, 5% Asian, 5% White, and 5% multiracial. For comparison, the population of Westchester County is roughly 27% Hispanic. The diversity index for MONTESSORI SCHOOL 27 is 50%. For US public schools as a whole it is 70%.
MONTESSORI SCHOOL 27 reported 18.9 full-time-equivalent teachers in 2024-25, a ratio of 17.5:1. Elementary schools in New York average 12.8:1, 4.7 fewer students per teacher than here. There are 176 students eligible for free or reduced-price lunch, 53% of enrollment. For comparison, public schools in Westchester County average 38%.
MONTESSORI SCHOOL 27 earns a B+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 72% of New York public elementary schools.
The school's average proficiency rate across its state test results is 61.5%. For its free or reduced-price lunch share, the predicted value is 55.5%.
In Westchester County, home to about 999,677 people, the median household earns about $118,976 a year, roughly 53% of adults have a four-year degree or more, and the share of residents below the poverty line is 6%. MONTESSORI SCHOOL 27 shares Westchester County with 254 other public schools.
MONTESSORI SCHOOL 27's closest public school neighbor is ROBERT HALMI SENIOR ACADEMY OF FILM AND TELEVISION, about 0.2 miles away. A five-mile radius around the school includes at least 8 other public schools. Nearby schools average 51.2% on proficiency, and MONTESSORI SCHOOL 27 is above that at 61.5%.
Under the NCES locale system, MONTESSORI SCHOOL 27 is Suburb: Large.
Enrollment fell 13% over 4 years, reaching 332 in 2024-25. The ratio of students to teachers went from 20.1:1 to 17.5:1 over the same years.
The allk12 page for MONTESSORI SCHOOL 27 lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. 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 YONKERS CITY SCHOOL DISTRICT
- YONKERS MONTESSORI ACADEMYCombined · 1,234 students
- LINCOLN HIGH SCHOOLHigh · 1,176 students
- YONKERS HIGH SCHOOLHigh · 1,111 students
- ROOSEVELT HIGH SCHOOL - EARLY COLLEGE STUDIESHigh · 1,096 students
- GORTON HIGH SCHOOLHigh · 1,068 students
- SAUNDERS TRADES & TECHNICAL HIGH SCHOOLHigh · 1,039 students
Other schools in YONKERS
- YONKERS MONTESSORI ACADEMYCombined · 1,234 students
- LINCOLN HIGH SCHOOLHigh · 1,176 students
- CHARTER SCHOOL OF EDUCATIONAL EXCELLENCECombined · 1,127 students
- YONKERS HIGH SCHOOLHigh · 1,111 students
- ROOSEVELT HIGH SCHOOL - EARLY COLLEGE STUDIESHigh · 1,096 students
- GORTON HIGH SCHOOLHigh · 1,068 students
Nearby schools
- ROBERT HALMI SENIOR ACADEMY OF FILM AND TELEVISION0.2 mi · 155
- PEARLS HAWTHORNE SCHOOL0.3 mi · 813
- EUGENIO MARIA DE HOSTOS MICROSOCIETY SCHOOL0.5 mi · 590
- JUSTICE SONIA SOTOMAYER COMMUNITY SCHOOL DISTRICT0.6 mi · 423
- LAS HERMANAS MIRABAL COMMUNITY SCHOOL0.7 mi · 594
- CESAR E CHAVEZ SCHOOL0.8 mi · 574
Frequently asked questions
About MONTESSORI SCHOOL 27How many students attend MONTESSORI SCHOOL 27?
MONTESSORI SCHOOL 27 enrolls approximately 332 students in grades PK-06.
Is MONTESSORI SCHOOL 27 an elementary, middle, or high school?
MONTESSORI SCHOOL 27 is an elementary school covering grades PK-06.
What is the student-teacher ratio at MONTESSORI SCHOOL 27?
The student-to-teacher ratio at MONTESSORI SCHOOL 27 is approximately 17.5:1 (19 FTE teachers).
How diverse is MONTESSORI SCHOOL 27?
MONTESSORI SCHOOL 27 reports a student body of 5% White, 68% Hispanic, 17% Black, 5% Asian, 5% Two or more.
Who oversees MONTESSORI SCHOOL 27?
MONTESSORI SCHOOL 27 is overseen by YONKERS CITY SCHOOL DISTRICT in Westchester County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.