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
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
Student demographics
Student head counts by race/ethnicity from federal NCES enrollment data. 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.
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 →
7-year change
SY 2017-18 vs SY 2024-25Enrollment
358
-88 (-20%) vs 2017
Student : Teacher
9.6:1
was 15.9:1
% White
67%
was 69%
% Hispanic
20%
was 19%
% Black
4%
was 3%
% Asian
4%
was 6%
Source: NCES Common Core of Data
About MERRIMAC SCHOOL
MERRIMAC SCHOOL is a primary school of compact scale in HOLBROOK, New York, operated by SACHEM CENTRAL SCHOOL DISTRICT, caters to 358 students in grades K through 5.
Across the 15 schools in SACHEM CENTRAL SCHOOL DISTRICT (11,556 students total), MERRIMAC SCHOOL accounts for its share of the district's footprint.
For racial and ethnic makeup, MERRIMAC SCHOOL logs that White students make up the majority at 67%. Beyond that, the school lists 20% Hispanic, 5% multiracial, 4% Black, 4% Asian. That composition is broadly in line with Suffolk County as a whole.
Looking at school resources, On paper, MERRIMAC SCHOOL has 37 full-time-equivalent teachers, translating to a class-load average of around 9.6:1. The state averages around 12.8:1, so this campus is tighter than the state norm typical. Roughly 30% of students at MERRIMAC SCHOOL qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Suffolk County (around 39%), the school's rate is meaningfully below typical.
Adjusting for the school's free-and-reduced-lunch share, MERRIMAC SCHOOL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 63.8%; this one delivers 48.0%.
In the broader community, Suffolk County reports that median household income runs about $130,686, about 40% of the adult population holds a bachelor's degree or above, and roughly 4% of residents live below the federal poverty line. In all, Suffolk County runs 343 public schools (combined enrollment of about 222,439 students), of which MERRIMAC SCHOOL is one.
GRUNDY AVENUE SCHOOL is the nearest neighboring public school, about 0.4 miles from this campus. Counting just inside five miles, 8 other public schools cluster around MERRIMAC SCHOOL. On composite proficiency, MERRIMAC SCHOOL comes 6th of 9 in the immediate cluster, behind the nearby-schools average of 52.9%.
Geographically, the school is in a bedroom-community area.
Five-year trend. MERRIMAC SCHOOL's enrollment has fell 20% since 2018, when it stood at 446 (now 358). The student-to-teacher ratio fell from 15.9:1 in 2018 to 9.6:1 today.
On the community side, posts here usually surface around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.
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.