Enrollment
358
Elementary
DISTRICT 490 · STATE 443
SCHOOL COMMUNITY·SACHEM CENTRAL SCHOOL DISTRICT·NCES 362535003504
MERRIMAC SCHOOL
1090 BROADWAY AVE, HOLBROOK, NY 11741 · (631) 244-5670 · Suffolk County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL358 STUDENTS
C+
allk12 Grade
Scored higher than 35% 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.
- C-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
9.6:1
37 FTE teachers
DISTRICT 11.8:1 · STATE 12.8:1
Free / Reduced Lunch
30%
109 students
DISTRICT 33% · 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 | 48 | 13% |
| Grade 1 | 42 | 12% |
| Grade 2 | 86 | 24% |
| Grade 3 | 48 | 13% |
| Grade 4 | 37 | 10% |
| Grade 5 | 97 | 27% |
This year's kindergarten class (48) is 51% smaller than its 5th grade class (97).
Student demographics
51%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
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
53.0%
NY avg 58.3% . +26.0pp since 2023
Math
61.0%
NY avg 57.4% . +4.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 53 of every 100 students at this school read and write at grade level and about 61 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 26 points since 2023, while math scores are up about 4 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 53.0% | 61.0% |
| 2023-24 | 27.0% | 57.0% |
% 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
48.0%
composite math + reading, all grades
Predicted
63.8%
based on NY schools with similar FRL share
Beats by
-15.8pp
below demographic expectation
What this means: About 48% of students here test proficient in math and reading, compared with the roughly 64% 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 MERRIMAC SCHOOL
MERRIMAC SCHOOL's state test result (48.0% proficient) is higher than 1 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| MERRIMAC SCHOOL this school | 358 | 30.4% | 48.0% |
| LENAPE ELEMENTARY SCHOOL NEW PALTZ | 368 | 30.4% | 59.5% |
| WEST ROAD/D'AQUANNIS INTERMEDIATE SCHOOL PLEASANT VALLEY | 354 | 32.2% | 46.3% |
| DUZINE SCHOOL NEW PALTZ | 302 | 30.1% | N/A |
| KINRY ROAD ELEMENTARY SCHOOL POUGHKEEPSIE | 368 | 34.0% | 61.2% |
| PULASKI ROAD SCHOOL EAST NORTHPORT | 351 | 25.6% | 50.2% |
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 MERRIMAC SCHOOL ranks
Among elementary schools| Measure | This school | In New York | In Suffolk County |
|---|---|---|---|
| State test proficiency ranked highest first | 48.0% | #1,251 of 2,335 | #81 of 168 |
| Math proficiency ranked highest first | 61.0% | #1,046 of 2,342 ▲ 7 | #68 of 169 ▲ 1 |
| Reading proficiency ranked highest first | 53.0% | #1,232 of 2,343 ▲ 690 | #74 of 169 ▲ 65 |
| Enrollment ranked largest first | 358 | #1,620 of 2,585 | #145 of 209 |
| Students per teacher ranked fewest first | 9.6:1 | #318 of 2,338 | #31 of 196 |
| Diversity index ranked most diverse first | 50.7% | #1,200 of 2,388 | #108 of 197 |
| Free and reduced lunch ranked highest share first | 30.4% | #1,962 of 2,534 | #109 of 200 |
| Enrollment change since 2017-18 ranked steepest decline first | -19.7% | #629 of 1,757 | #22 of 137 |
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
358
-48 (-12%) vs 2020
-50% since 1990-91, when it was 719
Student : Teacher
9.6:1
was 11.6:1
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 | 358 | 37.4 | 9.6:1 | 30% (109) |
| 2023-24 | 339 | 35.5 | 9.6:1 | 27% (93) |
| 2022-23 | 336 | 32 | 10.5:1 | 22% (75) |
| 2020-21 | 406 | 35 | 11.6:1 | 23% (93) |
| 2017-18 | 446 | 28 | 15.9:1 | 20% (88) |
| 2015-16 | 414 | 23 | 18.0:1 | 13% (55) |
| 2010-11 | 472 | 36 | 13.1:1 | 10% (49) |
| 2000-01 | 713 | 47 | 15.2:1 | 10% (73) |
| 1990-91 | 719 | 40 | 18.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for MERRIMAC SCHOOL.
About MERRIMAC SCHOOL
MERRIMAC SCHOOL serves students in HOLBROOK, New York, as a small elementary school. The latest federal count shows 358 students in kindergarten through 5.
SACHEM CENTRAL SCHOOL DISTRICT counts 15 schools and 11,556 students, including MERRIMAC SCHOOL.
At MERRIMAC SCHOOL, White students make up 67% of the student body. It is also 20% Hispanic, 5% multiracial, 4% Black, and 4% Asian. For comparison, Suffolk County is about 66% White. Pick two students at random and there is a 51% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
At MERRIMAC SCHOOL, 37.4 full-time-equivalent teachers work with students, a ratio of about 9.6:1. That is lower than the 12.8:1 average for elementary schools in New York. Roughly 30% of the student body qualifies for free or reduced-price lunch. The gap from the 39% average for public schools in Suffolk County is 9 points.
MERRIMAC SCHOOL is graded C+ by allk12, scoring above 35% of New York public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
The model predicts 63.8% for a school in New York with MERRIMAC SCHOOL's free or reduced-price lunch share. MERRIMAC SCHOOL posts 48.0%.
County data help place the school in context: in Suffolk County, the median household income is $130,686, the share of adults with a bachelor's degree or higher is 40%, and about 4% of people live in poverty. In all, Suffolk County has 343 public schools and roughly 222,439 students.
GRUNDY AVENUE SCHOOL is the closest public school, about 0.4 miles away in a straight line. In all, at least 8 other public schools sit within five miles of MERRIMAC SCHOOL. Of the 9 nearby schools with scores, including this one, MERRIMAC SCHOOL is 6th on average proficiency.
NCES assigns MERRIMAC SCHOOL the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
2024-25 enrollment was 358, a 12% decrease from 406 in 2020-21. The number of students per teacher fell from 11.6 to 9.6 over 4 years.
The discussion area below is open to posts about sports schedules, lunch menus, and spirit week. Reviews and ratings from people who know the school are welcome.
Suffolk County at a glance
View full county profilePopulation
1,530,146
Census ACS
Median income
$130,686
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
343
222,439 students
Quick facts
Related schools
Other schools in SACHEM CENTRAL SCHOOL DISTRICT
- SACHEM HIGH SCHOOL NORTHHigh · 2,008 students
- SACHEM HIGH SCHOOL EASTHigh · 1,984 students
- SENECA MIDDLE SCHOOLMiddle · 928 students
- SAGAMORE MIDDLE SCHOOLMiddle · 893 students
- SAMOSET MIDDLE SCHOOLMiddle · 847 students
- LYNWOOD AVENUE SCHOOLElementary · 561 students
Other schools in HOLBROOK
- SENECA MIDDLE SCHOOLMiddle · 928 students
- NOKOMIS SCHOOLElementary · 496 students
- GRUNDY AVENUE SCHOOLElementary · 452 students
- TAMARAC ELEMENTARY SCHOOLElementary · 421 students
Nearby schools
- GRUNDY AVENUE SCHOOL0.4 mi · 452
- SENECA MIDDLE SCHOOL1.0 mi · 928
- TAMARAC ELEMENTARY SCHOOL1.5 mi · 421
- SUNRISE DRIVE ELEMENTARY SCHOOL2.0 mi · 388
- SAYVILLE MIDDLE SCHOOL2.3 mi · 582
- CANAAN ELEMENTARY SCHOOL2.3 mi · 596
Frequently asked questions
About MERRIMAC SCHOOLHow many students attend MERRIMAC SCHOOL?
MERRIMAC SCHOOL enrolls approximately 358 students in grades KG-05.
Is MERRIMAC SCHOOL an elementary, middle, or high school?
MERRIMAC SCHOOL is an elementary school covering grades KG-05.
What is the student-teacher ratio at MERRIMAC SCHOOL?
The student-to-teacher ratio at MERRIMAC SCHOOL is approximately 9.6:1 (37 FTE teachers).
How diverse is MERRIMAC SCHOOL?
MERRIMAC SCHOOL reports a student body of 67% White, 20% Hispanic, 4% Black, 4% Asian, 5% Two or more.
Who oversees MERRIMAC SCHOOL?
MERRIMAC SCHOOL is overseen by SACHEM CENTRAL SCHOOL DISTRICT in Suffolk County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.