Enrollment
362
Elementary
DISTRICT 409 · STATE 405
SCHOOL COMMUNITY·HILLSBOROUGH TOWNSHIP PUBLIC SCHOOL DISTRICT·NCES 340723005230
Triangle Elementary School
156 South Triangle Road, Hillsborough, NJ 08844 · (908) 431-6600 · Somerset County
GRADES PK–04ELEMENTARY21-SUBURBREGULAR SCHOOL362 STUDENTS
Student : Teacher
9.0:1
40 FTE teachers
DISTRICT 10.5:1 · STATE 11.4:1
Free / Reduced Lunch
18%
64 students
DISTRICT 16% · 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 | 7 | 2% |
| Kindergarten | 56 | 15% |
| Grade 1 | 79 | 22% |
| Grade 2 | 79 | 22% |
| Grade 3 | 63 | 17% |
| Grade 4 | 78 | 22% |
This year's kindergarten class (56) is 28% smaller than its 4th grade class (78).
Student demographics
69%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 68% · 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
Triangle Elementary School→Auten Road Intermediate School→Hillsborough Township Middle School→Hillsborough High School
Based on grade levels within Hillsborough Township Public School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
70.1%
NJ avg 53.1% . -5.1pp since 2023
Math
72.2%
NJ avg 41.6% . -3.9pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 70 of every 100 students at this school read and write at grade level and about 72 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 5 points since 2023, while math scores are down about 4 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 70.1% | 72.2% |
| 2023-24 | 75.2% | 76.1% |
% 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
OUTPERFORMING
Top 10% of NJ schools after controlling for student poverty
Actual proficiency
73.3%
composite math + reading, all grades
Predicted
56.5%
based on NJ schools with similar FRL share
Beats by
+16.9pp
above demographic expectation
What this means: About 73% of students here test proficient in math and reading, well above the roughly 56% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 17 points, placing it in New Jersey's top 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 Triangle Elementary School
Triangle Elementary School's state test result (73.3% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Triangle Elementary School this school | 362 | 17.7% | 73.3% |
| Ridge Ranch Elementary School PARAMUS | 338 | 18.9% | 72.9% |
| Mount Tabor Elementary School MOUNT TABOR | 340 | 17.4% | 72.8% |
| Eleanor Van Gelder EDGEWATER | 384 | 20.3% | 57.8% |
| Stony Brook Elementary School PENNINGTON | 395 | 12.7% | 79.3% |
| Warnsdorfer Elementary School EAST BRUNSWICK | 325 | 20.3% | 73.3% |
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 Triangle Elementary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Somerset County |
|---|---|---|---|
| State test proficiency ranked highest first | 73.3% | #113 of 1,290 | #9 of 42 |
| Math proficiency ranked highest first | 72.2% | #209 of 1,319 ▼ 97 | #16 of 42 ▼ 9 |
| Reading proficiency ranked highest first | 70.1% | #264 of 1,319 ▼ 109 | #12 of 42 ▼ 3 |
| Enrollment ranked largest first | 362 | #841 of 1,562 | #31 of 46 |
| Students per teacher ranked fewest first | 9.0:1 | #129 of 1,390 | #13 of 45 |
| Diversity index ranked most diverse first | 69.2% | #178 of 1,392 | #12 of 45 |
| Free and reduced lunch ranked highest share first | 17.7% | #1,075 of 1,481 | #24 of 45 |
| Enrollment change since 2017-18 ranked steepest decline first | -6.9% | #540 of 798 | #23 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
362
+8 (+2%) vs 2020
-13% since 1990-91, when it was 415
Student : Teacher
9.0:1
was 10.4:1
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 | 362 | 40.4 | 9.0:1 | 18% (64) |
| 2023-24 | 364 | 42.3 | 8.6:1 | 11% (40) |
| 2022-23 | 371 | 38.1 | 9.8:1 | 9% (33) |
| 2020-21 | 354 | 34 | 10.4:1 | 10% (34) |
| 2017-18 | 389 | 37.6 | 10.4:1 | 10% (37) |
| 2015-16 | 379 | 39 | 9.7:1 | 9% (34) |
| 2010-11 | 421 | 27 | 15.6:1 | 7% (28) |
| 2000-01 | 554 | 35 | 15.8:1 | 4% (20) |
| 1990-91 | 415 | 24 | 17.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Triangle Elementary School.
Since 2017-18: students down 7% (389 to 362); teachers up 7% (37.6 to 40.4).
About Triangle Elementary School
Triangle Elementary School is a medium-sized elementary school found in Hillsborough, New Jersey. A federal count lists 362 students at the school, in pre-K through 4.
Hillsborough Township Public School District has 9 schools; together they serve 7,191 students.
The most common group at Triangle Elementary School is Asian students, at 41%. It is also 34% White, 14% Hispanic, 7% Black, and 4% multiracial. Somerset County's residents are about 20% Asian, 21 points below the school's share. Pick two students at random and there is a 69% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Teachers at the school number 40.4 full-time equivalents, and the ratio is 9.0:1. On average, elementary schools in New Jersey have 11.4:1, compared with 9.0:1 here. The school's lunch program data list 18% of students as eligible for free or reduced-price meals. For comparison, public schools in Somerset County average 28%.
Triangle Elementary School ranks in the top 10% of New Jersey schools after adjusting test results for student poverty. Actual: 73.3%. Predicted: 56.5%. Difference: 16.9 points.
County data help place the school in context: in Somerset County, the median household income is $140,374, about 58% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. In all, Somerset County has 84 public schools and roughly 51,276 students.
The closest public school, Hillsborough Township Middle School, is about 0.2 miles from Triangle Elementary School. There are at least 8 other public schools within five miles. Of the 8 nearby schools with scores, including this one, Triangle Elementary School is 2nd on average proficiency.
Locale data from NCES put Triangle Elementary School in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).
Enrollment at Triangle Elementary School was 354 in 2020-21 and 362 in 2024-25, a change of less than 3%. There were fewer students per teacher in 2024-25 (9.0:1) than in 2020-21 (10.4:1).
Community posts for Triangle Elementary School can cover school safety, transportation, and start times. Questions from prospective families are welcome too.
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 Hillsborough Township Public School District
- Hillsborough High SchoolHigh · 2,377 students
- Hillsborough Township Middle SchoolMiddle · 1,246 students
- Auten Road Intermediate SchoolMiddle · 1,112 students
- Sunnymead Elementary SchoolElementary · 530 students
- Hillsborough Township Elementary SchoolElementary · 467 students
- Woods Road Elementary SchoolElementary · 410 students
Other schools in Hillsborough
- Hillsborough High SchoolHigh · 2,377 students
- Hillsborough Township Middle SchoolMiddle · 1,246 students
- Auten Road Intermediate SchoolMiddle · 1,112 students
- Sunnymead Elementary SchoolElementary · 530 students
- Hillsborough Township Elementary SchoolElementary · 467 students
- Woods Road Elementary SchoolElementary · 410 students
Other Triangle Elementary schools
2 other US public schools in 3 states are named Triangle Elementary. Triangle Elementary School is the 3rd largest of the 3.
- Triangle ElementaryTriangle, VA · 795 students
- TRIANGLE ELEMENTARY SCHOOLMOUNT DORA, FL · 695 students
Nearby schools
- Hillsborough Township Middle School0.2 mi · 1,246
- Auten Road Intermediate School0.8 mi · 1,112
- Hillsborough Township Elementary School0.8 mi · 467
- Hillsborough High School1.3 mi · 2,377
- Sunnymead Elementary School2.2 mi · 530
- Weston Elementary School3.2 mi · 404
Frequently asked questions
About Triangle Elementary SchoolHow large is Triangle Elementary School?
Triangle Elementary School enrolls approximately 362 students in grades PK-04.
Is Triangle Elementary School an elementary, middle, or high school?
Triangle Elementary School is an elementary school covering grades PK-04.
What is the student-teacher ratio at Triangle Elementary School?
The student-to-teacher ratio at Triangle Elementary School is approximately 9.0:1 (40 FTE teachers).
What is the student diversity at Triangle Elementary School?
Student demographics at Triangle Elementary School are roughly 34% White, 14% Hispanic, 7% Black, 41% Asian, 4% Two or more.
What district is Triangle Elementary School in?
Triangle Elementary School is part of Hillsborough Township Public School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.