Enrollment
1,354
New Jersey · 2024-25 NCES data
High school (grades 9-12) · Colonia, NJ
Colonia High School
Federal NCES profile for Colonia High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 68/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 341812003668
👥 S:T ratio 56
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 80
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Colonia High School earns 68/100 on the Resource Investment Index, with class sizes near the New Jersey median. It is also one of the largest schools in New Jersey.
- #4 of 6
- public schools in Colonia · Resource Index
- 68
- Resource Index · Higher
- 11.1:1
- students per teacher
- 24.9%
- free-lunch eligible
Colonia High School has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Colonia High School ranks #4 of 6 public schools in Colonia, NJ.
School address
District: Woodbridge Township School District · New Jersey
NCES ID 341812003668 Verify on NCES CCD record →
Teachers (FTE)
122.0
Federal CCD staff survey
Students per teacher
11.1:1
vs 11.8:1 New Jersey avg
-6% vs state
Free-lunch eligible
24.9%
vs 29.6% New Jersey avg
-16% vs state
Student-teacher ratio in context
How Colonia High School compares with New Jersey and U.S. medians
What stands out at Colonia High School
Colonia High School is a large high school in Colonia, New Jersey, enrolling 1,354 students.
At 11.1:1, its student-teacher ratio sits close to the New Jersey median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 24.9% lands close to the New Jersey typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in New Jersey, bigger than 95% of state schools at 1,354 students.
Its Resource Investment Index lands in the upper third of 2,501 scored New Jersey schools.
Against 134 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #28.
Its student body is led by White (39%) and Hispanic or Latino (27%), more mixed than most schools in the state (diversity index 72/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 339 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 7.9% of students were chronically absent, below the typical post-pandemic national figure.
Woodbridge Township School District also operates Woodbridge High School (1,681 students) and John F. Kennedy Memorial High School (1,405 students) alongside Colonia High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Colonia High School compares
Colonia High School on the metrics families compare, against New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.1:1 | ▼ 6% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 24.9% | ▼ 16% | 29.6% | 51.7% |
| Enrollment | 1,354 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.1:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
1,354
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
24.9%
free-lunch eligible
- 16% below the New Jersey average of 29.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.1:1
students per teacher
- 6% below state mean
Top 45% in New Jersey - lower ratio than 55% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
7.9%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$22,601
per pupil, district-wide
- below New Jersey avg of $24,984
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 339 students, the combined health-and-guidance staffing load for this school.
Discipline context
124
in-school suspensions + 82 out-of-school
Suspension rate: 9.2 per 100 students. Combined in-school and out-of-school rate: 15.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 39.1%
Hispanic or Latino 26.9%
Asian 16.7%
African American 15.5%
Two or More 1.8%
American Indian / Alaska Native 0.1%
Largest group: White at 39.1% of enrollment.
Student-body diversity index 72.3/100
Simpson diversity index - at 72.3, Colonia High School is more mixed than the New Jersey school average of 51.2.
Programs
AP courses offered 25
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Woodbridge Township School District, which includes Colonia High School.
$22,601
Per student
-10%
vs New Jersey
Avg $24,984
+36%
vs U.S.
Avg $16,593
Revenue mix
Local 57.9%
State 36.9%
Federal 5.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Colonia High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Woodbridge High School | Similar size | Similar economic need | Higher S:T ratio |
| John F. Kennedy Memorial High School | Similar size | Similar economic need | Similar S:T ratio |
| Iselin Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Lafayette Estates Elementary School | Smaller | Higher economic need | Higher S:T ratio |
| Fords Middle School | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Colonia High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,681
- Students per teacher
- 12.8:1
- Resource Index
- 43/100
- Enrollment
- 1,405
- Students per teacher
- 12.3:1
- Resource Index
- 44/100
- Enrollment
- 794
- Students per teacher
- 11.3:1
- Resource Index
- 55/100
- Enrollment
- 705
- Students per teacher
- 20.7:1
- Resource Index
- 40/100
- Enrollment
- 645
- Students per teacher
- 10.2:1
- Resource Index
- 59/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of New Jersey, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,354 students)
Similar student-teacher ratio (~11.1:1)
Next steps
Verify locally before acting on Colonia High School's federal record.
- Compare Colonia High School against another school. Compare schools
- Woodbridge Township School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Colonia High School
How many students attend Colonia High School?
Colonia High School has 1,354 students enrolled. It is a high school in Colonia, NJ.
What is the student-teacher ratio at Colonia High School?
The student-teacher ratio at Colonia High School is 11.1:1, which is 6% lower than the New Jersey average of 11.8:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Colonia High School?
24.9% of students at Colonia High School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Colonia High School?
The largest demographic group at Colonia High School is White at 39.1% of enrollment, in Colonia, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.3/100.
What is the Resource Investment Index for Colonia High School?
Colonia High School has a Resource Investment Index of 68/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Colonia High School rank among public schools in Colonia?
By Resource Investment Index, Colonia High School ranks #4 of 6 public schools in Colonia, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Colonia on the city page.
Is Colonia High School a good school?
Colonia High School earns 68/100 on the Resource Investment Index, with class sizes near the New Jersey median. It is also one of the largest schools in New Jersey. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Woodbridge Township School District?
Besides Colonia High School, Woodbridge Township School District also operates Woodbridge High School (1,681 students), John F. Kennedy Memorial High School (1,405 students), and Iselin Middle School (794 students). See the Woodbridge Township School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.