1
Enrollment
462
Elementary
DISTRICT 384 · STATE 405
SCHOOL COMMUNITY·BRIDGEWATER-RARITAN REGIONAL SCHOOL DISTRICT·NCES 340228006047
Hamilton Primary School
9 Hamilton Lane, Basking Ridge, NJ 07920 · (908) 575-0050 · Somerset County
GRADES KG–04ELEMENTARY21-SUBURBREGULAR SCHOOL462 STUDENTS
Student : Teacher
11.6:1
40 FTE teachers
DISTRICT 10.2:1 · STATE 11.4:1
Free / Reduced Lunch
5%
22 students
DISTRICT 16% · STATE 41%
Community
1
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 | 47 | 10% |
| Grade 1 | 85 | 18% |
| Grade 2 | 113 | 24% |
| Grade 3 | 97 | 21% |
| Grade 4 | 120 | 26% |
This year's kindergarten class (47) is 61% smaller than its 4th grade class (120).
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 70% · STATE 71% · 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
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
68.0%
NJ avg 53.1% . -1.1pp since 2023
Math
74.0%
NJ avg 41.6% . +3.6pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 68 of every 100 students at this school read and write at grade level and about 74 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are down about 1 points since 2023, while math scores are up about 4 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 68.0% | 74.0% |
| 2023-24 | 69.1% | 70.4% |
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: NJSLA. 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
70.4%
composite math + reading, all grades
Predicted
63.5%
based on NJ schools with similar FRL share
Beats by
+6.8pp
above demographic expectation
What this means: About 70% of students here test proficient in math and reading, compared with the roughly 64% typical for New Jersey 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 Jersey'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 Hamilton Primary School
Hamilton Primary School's state test result (70.4% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Hamilton Primary School this school | 462 | 4.8% | 70.4% |
| Collins Elementary School LIVINGSTON | 440 | 0.9% | 75.1% |
| Liberty Corner School Liberty Corner | 429 | 3.7% | 75.3% |
| Woods Road Elementary School Hillsborough | 410 | 10.5% | 77.3% |
| Edward H. Bryan CRESSKILL | 555 | 1.1% | 75.9% |
| Norwood Public School NORWOOD | 583 | 1.9% | 64.5% |
Matched among New Jersey 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 Hamilton Primary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Somerset County |
|---|---|---|---|
| State test proficiency ranked highest first | 70.4% | #153 of 1,290 | #14 of 42 |
| Math proficiency ranked highest first | 74.0% | #182 of 1,319 ▲ 25 | #13 of 42 ▲ 4 |
| Reading proficiency ranked highest first | 68.0% | #311 of 1,319 ▼ 42 | #18 of 42 ▼ 3 |
| Enrollment ranked largest first | 462 | #510 of 1,562 | #13 of 46 |
| Students per teacher ranked fewest first | 11.6:1 | #756 of 1,390 | #42 of 45 |
| Diversity index ranked most diverse first | 66.9% | #254 of 1,392 | #17 of 45 |
| Free and reduced lunch ranked highest share first | 4.8% | #1,343 of 1,481 | #39 of 45 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.9% | #470 of 798 | #20 of 31 |
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
462
-15 (-3%) vs 2020
+14% since 1990-91, when it was 404
Student : Teacher
11.6:1
was 12.2:1
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 | 462 | 40 | 11.6:1 | 5% (22) |
| 2023-24 | 471 | 41 | 11.5:1 | 4% (17) |
| 2022-23 | 479 | 38 | 12.6:1 | 3% (13) |
| 2020-21 | 477 | 39 | 12.2:1 | 3% (16) |
| 2017-18 | 507 | 40.2 | 12.6:1 | 3% (13) |
| 2015-16 | 469 | 36 | 13.0:1 | 2% (11) |
| 2010-11 | 408 | 29 | 14.1:1 | 4% (16) |
| 2000-01 | 386 | 26 | 14.8:1 | 4% (15) |
| 1990-91 | 404 | 26 | 15.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Hamilton Primary School.
Since 2017-18: students down 9% (507 to 462); teachers unchanged (40.2 to 40).
About Hamilton Primary School
Hamilton Primary School is a mid-sized elementary school for students in Basking Ridge, New Jersey. It has an enrollment of 462 students in kindergarten through 4.
Bridgewater-Raritan Regional School District has 7,774 students spread across 11 schools.
At Hamilton Primary School, White students make up the biggest share, 42%. Smaller groups are 37% Asian, 12% Hispanic, 6% multiracial, and 3% Black. County-wide, 52% of Somerset County residents are White. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 67%.
Its ratio of 11.6:1 is based on 40 full-time-equivalent teachers. It is about the same as the 11.4:1 average for elementary schools in New Jersey. In all, 5% of students qualify for free or reduced-price lunch. On average, public schools in Somerset County report 28%.
Based on its free or reduced-price lunch share, the BeatsExpectations model predicts an average proficiency rate across its state test results of 63.5% for Hamilton Primary School. The school posts 70.4%, 6.8 points above the prediction.
The county, Somerset County, is where the school is located. Median household income comes to about $140,374, about 58% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. The county has 84 public schools and about 51,276 students.
Hillside Intermediate School, about 1.0 miles away, is the closest public school. A five-mile radius around the school includes at least 8 other public schools. Hamilton Primary School places 3rd of 9 on proficiency among the closest schools that report scores.
Hamilton Primary School has an NCES locale of Suburb: Large.
Federal enrollment counts decreased from 477 (2020-21) to 462 (2024-25).
On allk12, people connected to Hamilton Primary School can post about special education services, counseling, and support programs. Members of the school community can share what they know.
Somerset County at a glance
View full county profilePopulation
349,846
Census ACS
Median income
$140,374
Household, ACS
Bachelor's+
58%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
84
51,276 students
Quick facts
Related schools
Other schools in Bridgewater-Raritan Regional School District
- Bridgewater-Raritan High SchoolHigh · 2,673 students
- Bridgewater-Raritan Middle SchoolMiddle · 1,220 students
- Eisenhower Intermediate SchoolMiddle · 625 students
- Hillside Intermediate SchoolMiddle · 568 students
- Adamsville Primary SchoolElementary · 461 students
- John F. Kennedy Primary SchoolElementary · 431 students
Other schools in Basking Ridge
- Ridge High SchoolHigh · 1,577 students
- William Annin Middle SchoolMiddle · 1,122 students
- Cedar Hill SchoolElementary · 568 students
- Mount Prospect Elementary SchoolElementary · 522 students
- Oak Street SchoolElementary · 427 students
Nearby schools
- Hillside Intermediate School1.0 mi · 568
- Mount Prospect Elementary School1.4 mi · 522
- Crim Primary School2.1 mi · 396
- Eisenhower Intermediate School2.4 mi · 625
- Liberty Corner School2.6 mi · 429
- Van Holten Primary School3.1 mi · 311
Frequently asked questions
About Hamilton Primary SchoolWhat is the total enrollment at Hamilton Primary School?
Hamilton Primary School enrolls approximately 462 students in grades KG-04.
What grades does Hamilton Primary School serve?
Hamilton Primary School serves grades KG-04.
How many students per teacher at Hamilton Primary School?
Approximately 11.6:1 students per teacher at Hamilton Primary School.
What is the student diversity at Hamilton Primary School?
Student demographics at Hamilton Primary School are roughly 42% White, 12% Hispanic, 3% Black, 37% Asian, 6% Two or more.
What district is Hamilton Primary School in?
Hamilton Primary School is part of Bridgewater-Raritan Regional School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.