Enrollment
1,025
New Jersey · 2024-25 NCES data
High school (grades 9-12) · Oradell, NJ
River Dell Regional High School
Federal NCES profile for River Dell Regional High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 63/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 341226000786
👥 S:T ratio 54
📚 AP courses 80
🌟 Gifted program 30
🎓 Counselors 66
📋 Attendance 86
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
River Dell Regional High School earns 63/100 on the Resource Investment Index, with class sizes near the New Jersey median.
- 63
- Resource Index · Higher
- 11.5:1
- students per teacher
- 1.1%
- free-lunch eligible
- 1,025
- students enrolled
River Dell Regional High School has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
School address
District: River Dell Regional School District · New Jersey
NCES ID 341226000786 Verify on NCES CCD record →
Teachers (FTE)
89.0
Federal CCD staff survey
Students per teacher
11.5:1
vs 11.8:1 New Jersey avg
-3% vs state
Free-lunch eligible
1.1%
vs 29.6% New Jersey avg
-96% vs state
Student-teacher ratio in context
How River Dell Regional High School compares with New Jersey and U.S. medians
What stands out at River Dell Regional High School
River Dell Regional High School is a lower-poverty, large high school in Oradell, New Jersey, enrolling 1,025 students.
At 11.5:1, 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.
Comparatively few students face economic hardship here, 1.1% free-meal eligibility runs 96% below the New Jersey average.
By headcount it is one of the larger campuses in New Jersey, bigger than 91% of state schools at 1,025 students.
Its Resource Investment Index lands in the upper third of 2,501 scored New Jersey schools.
Against 215 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #86.
Its student body is led by White (55%) and Asian (30%) (diversity index 60/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor coverage is strong, about 171 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 5.8% of students were chronically absent, below the typical post-pandemic national figure.
Its district, River Dell Regional School District, also runs River Dell Middle School (573 students).
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 River Dell Regional High School compares
River Dell Regional 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 | 11.5:1 | ▼ 3% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 1.1% | ▼ 96% | 29.6% | 51.7% |
| Enrollment | 1,025 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.5:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
1,025
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
1.1%
free-lunch eligible
- 96% below the New Jersey average of 29.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.5:1
students per teacher
- 3% below state mean
Top 53% in New Jersey - lower ratio than 47% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
5.8%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$25,348
per pupil, district-wide
- above 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
Counselors6.0 FTE
Per 171 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 1 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 1.0 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 54.5%
Asian 29.9%
Hispanic or Latino 11.1%
Two or More 3.0%
African American 1.5%
Largest group: White at 54.5% of enrollment.
Student-body diversity index 60.0/100
Simpson diversity index - at 60.0, River Dell Regional High School is more mixed than the New Jersey school average of 51.2.
Programs
AP courses offered 16
Funding & spending
District-wide per-pupil expenditure for River Dell Regional School District, which includes River Dell Regional High School.
$25,348
Per student
+1%
vs New Jersey
Avg $24,984
+53%
vs U.S.
Avg $16,593
Revenue mix
Local 74.7%
State 23.5%
Federal 1.8%
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 River Dell Regional High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| River Dell Middle School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to River Dell Regional High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 573
- Students per teacher
- 11.9:1
- Resource Index
- 58/100
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 (~1,025 students)
Next steps
Verify locally before acting on River Dell Regional High School's federal record.
- Compare River Dell Regional High School against another school. Compare schools
- River Dell Regional 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 River Dell Regional High School
How many students attend River Dell Regional High School?
River Dell Regional High School has 1,025 students enrolled. It is a high school in Oradell, NJ.
What is the student-teacher ratio at River Dell Regional High School?
The student-teacher ratio at River Dell Regional High School is 11.5:1, which is 3% lower than the New Jersey average of 11.8:1 and 27% 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 River Dell Regional High School?
1.1% of students at River Dell Regional High School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of River Dell Regional High School?
The largest demographic group at River Dell Regional High School is White at 54.5% of enrollment, in Oradell, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.0/100.
What is the Resource Investment Index for River Dell Regional High School?
River Dell Regional High School has a Resource Investment Index of 63/100 (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).
Is River Dell Regional High School a good school?
River Dell Regional High School earns 63/100 on the Resource Investment Index, with class sizes near the New Jersey median. 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 River Dell Regional School District?
Besides River Dell Regional High School, River Dell Regional School District also operates River Dell Middle School (573 students). See the River Dell Regional 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.