Enrollment
293
Elementary
DISTRICT 312 · STATE 405
SCHOOL COMMUNITY·READINGTON TOWNSHIP SCHOOL DISTRICT·NCES 341371003032
Three Bridges School
480 MAIN STREET, THREE BRIDGES, NJ 08887 · (908) 782-2141 · Hunterdon County
GRADES PK–03ELEMENTARY21-SUBURBREGULAR SCHOOL293 STUDENTS
Student : Teacher
8.8:1
33 FTE teachers
DISTRICT 8.9:1 · STATE 11.4:1
Free / Reduced Lunch
13%
39 students
DISTRICT 17% · STATE 41%
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 | 23 | 8% |
| Kindergarten | 76 | 26% |
| Grade 1 | 69 | 24% |
| Grade 2 | 57 | 19% |
| Grade 3 | 68 | 23% |
Student demographics
32%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · 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
School pathway
Students here typically continue to
Based on grade levels within Readington Township School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
63.6%
NJ avg 53.1% . -2.6pp since 2023
Math
75.7%
NJ avg 41.6% . +18.7pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 64 of every 100 students at this school read and write at grade level and about 76 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 3 points since 2023, while math scores are up about 19 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 63.6% | 75.7% |
| 2023-24 | 66.2% | 57.0% |
% 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
65.6%
composite math + reading, all grades
Predicted
58.9%
based on NJ schools with similar FRL share
Beats by
+6.8pp
above demographic expectation
What this means: About 66% of students here test proficient in math and reading, compared with the roughly 59% 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 Three Bridges School
Three Bridges School's state test result (65.6% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Three Bridges School this school | 293 | 13.3% | 65.6% |
| Springfield Township School JOBSTOWN | 297 | 12.5% | 50.3% |
| Leonardo Elementary School LEONARDO | 283 | 15.2% | 50.3% |
| Fairview Elementary School RED BANK | 291 | 11.7% | 64.3% |
| Marian E. McKeown Elementary School NEWTON | 322 | 15.8% | 55.7% |
| Middle Road School HAZLET | 285 | 17.5% | 57.7% |
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 Three Bridges School ranks
Among elementary schools| Measure | This school | In New Jersey | In Hunterdon County |
|---|---|---|---|
| State test proficiency ranked highest first | 65.6% | #222 of 1,290 | #3 of 23 |
| Math proficiency ranked highest first | 75.7% | #153 of 1,319 ▲ 275 | #2 of 23 ▲ 10 |
| Reading proficiency ranked highest first | 63.6% | #410 of 1,319 ▼ 83 | #10 of 23 ▼ 5 |
| Enrollment ranked largest first | 293 | #1,136 of 1,562 | #16 of 31 |
| Students per teacher ranked fewest first | 8.8:1 | #101 of 1,390 | #9 of 23 |
| Diversity index ranked most diverse first | 31.9% | #1,205 of 1,392 | #18 of 23 |
| Free and reduced lunch ranked highest share first | 13.3% | #1,178 of 1,481 | #18 of 25 |
| Enrollment change since 2017-18 ranked steepest decline first | -5.2% | #609 of 798 | #7 of 8 |
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
293
+16 (+6%) vs 2020
-26% since 1990-91, when it was 394
Student : Teacher
8.8:1
was 8.4:1
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 | 293 | 33.4 | 8.8:1 | 13% (39) |
| 2023-24 | 294 | 32.4 | 9.1:1 | 8% (24) |
| 2022-23 | 303 | 30 | 10.1:1 | 5% (14) |
| 2020-21 | 277 | 33 | 8.4:1 | 6% (16) |
| 2017-18 | 309 | 31.4 | 9.9:1 | 6% (18) |
| 2015-16 | 320 | 30 | 10.7:1 | 6% (19) |
| 2010-11 | 382 | 25 | 15.3:1 | 3% (13) |
| 2000-01 | 343 | 20 | 17.1:1 | 1% (4) |
| 1990-91 | 394 | 22 | 17.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Three Bridges School.
Since 2017-18: students down 5% (309 to 293); teachers up 7% (31.4 to 33.4).
About Three Bridges School
Three Bridges School is a small elementary school serving families in THREE BRIDGES, New Jersey. Students in pre-K through 3 make up the school's enrollment of 293 students. Elementary schools in New Jersey have about 405 students on average; enrollment here is 28% lower.
Readington Township School District enrolls 1,402 students, and its 4 schools include Three Bridges School.
At Three Bridges School, 82% of students are White. Other students are 12% Hispanic, 3% Asian, and 2% multiracial. Census estimates put Hunterdon County at about 81% White, close to the school's figure. The diversity index for Three Bridges School is 32%. For US public schools as a whole it is 70%.
Teacher count: 33.4 full-time equivalents. Student-to-teacher ratio: 8.8:1. Compared with the 11.4:1 average for elementary schools in New Jersey, this school's ratio is lower. Eligibility for free or reduced-price lunch, often used to gauge student poverty, is 13%.
Three Bridges School is 6.8 points above its predicted average proficiency rate across its state test results (65.6% versus 58.9%), which places it in neither the top nor the bottom 10% in New Jersey.
In Hunterdon County, median household income comes to about $141,715, roughly 57% of adults have a four-year degree or more, and the share of residents below the poverty line is 3%. The county's public schools total 55, with about 18,056 students.
About 2.4 miles separate Three Bridges School from the closest public school, J.P. Case Middle School. Within five miles are at least 8 other public schools. Ranked by average proficiency, Three Bridges School places 2nd out of 9 schools in its immediate area.
Its location is classified as Suburb: Large by the National Center for Education Statistics.
Between 2020-21 and 2024-25, Three Bridges School had a net gain of 16 students, or 6%.
Use the discussion section to ask about open houses, carpools, and field trips at Three Bridges School. Current and former families are welcome to add their experience.
Hunterdon County at a glance
View full county profilePopulation
130,160
Census ACS
Median income
$141,715
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
55
18,056 students
Quick facts
Related schools
Other schools in Readington Township School District
- Readington Middle SchoolMiddle · 466 students
- Whitehouse SchoolElementary · 331 students
- Holland Brook SchoolElementary · 312 students
Nearby schools
- J.P. Case Middle School2.4 mi · 730
- Barley Sheaf Elementary School2.5 mi · 376
- Woodfern Elementary School2.7 mi · 311
- Hunterdon Central Regional High School District3.0 mi · 2,238
- Hunterdon Polytech Bartles Corner Campus3.2 mi · 108
- Francis A. Desmares Elementary School3.7 mi · 421
Frequently asked questions
About Three Bridges SchoolHow large is Three Bridges School?
Three Bridges School enrolls approximately 293 students in grades PK-03.
Is Three Bridges School an elementary, middle, or high school?
Three Bridges School is an elementary school covering grades PK-03.
How many teachers does Three Bridges School have?
Three Bridges School employs 33 FTE teachers, for a student-to-teacher ratio of 8.8:1.
What is the student diversity at Three Bridges School?
Student demographics at Three Bridges School are roughly 82% White, 12% Hispanic, 1% Black, 3% Asian, 2% Two or more.
What district is Three Bridges School in?
Three Bridges School is part of Readington Township School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.