Enrollment
665
New Jersey · 2024-25 NCES data
Other / mixed grade configuration · Paterson, NJ
Federal NCES profile for School 21, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 18/100.
The verdict
School 21 earns 18/100 on the Resource Investment Index, with class sizes larger than 89% of New Jersey schools.
School 21 has class sizes larger than 89% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, School 21 ranks #12 of 12 schools in Paterson, NJ.
NCES ID 341269004914 Verify on NCES CCD record →
Enrollment
665
New Jersey · 2024-25 NCES data
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 11.8:1 New Jersey avg
+23% vs state
Free-lunch eligible
52.2%
vs 29.6% New Jersey avg
+76% vs state
How School 21 compares with New Jersey and U.S. medians
Slightly above state median
14.5:1 - 2.7 above the New Jersey state median of 11.8:1, indicating larger average class loads than typical schools in the state.
School 21 is a higher-need, mid-sized combined-grade school in Paterson, New Jersey, enrolling 665 students.
Class loads run heavy: 14.5:1 is larger than about 89% of New Jersey schools and 23% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 52.2% of students eligible for free meals.
Enrollment of 665 puts it in the larger third of New Jersey schools by headcount.
Its Resource Investment Index trails 99% of the 2,501 New Jersey schools with a score on record, one of the lower results on this measure.
Among 256 similarly sized, similarly resourced-need New Jersey schools statewide, it ranks #253, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (78%) and African American (21%) (diversity index 35/100).
Counselor access is stretched at roughly 665 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 58.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Paterson's public schools, it stands alongside College Achieve Paterson Charter School (1,688 students): School 21 is smaller than that campus by headcount and runs leaner classes (14.5:1 vs 24.8:1).
Paterson Public School District also operates Eastside High School (2,073 students) and John F. Kennedy High School (1,846 students) alongside School 21.
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
School 21 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 | 14.5:1 | ▲ 23% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 52.2% | ▲ 76% | 29.6% | 51.7% |
| Enrollment | 665 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 78.0% of enrollment.
Simpson diversity index - at 34.8, School 21 is less mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for Paterson Public School District, which includes School 21.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eastside High School | Larger | Similar economic need | Similar S:T ratio |
| John F. Kennedy High School | Larger | Similar economic need | Similar S:T ratio |
| Joseph a. Taub School | Larger | Similar economic need | Higher S:T ratio |
| School 16 | Similar size | Higher economic need | Similar S:T ratio |
| School 5 | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to School 21's own figures; each column derives from NCES Common Core of Data.
3 comparable other schools (grades Mixed) serving the same city.
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.
Next steps
Verify locally before acting on School 21's federal record.
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.
School 21 has 665 students enrolled. It is a public school in Paterson, NJ.
The student-teacher ratio at School 21 is 14.5:1, which is 23% higher than the New Jersey average of 11.8:1 and 8% lower than the national average of 15.7:1.
52.2% of students at School 21 are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at School 21 is Hispanic or Latino at 78.0% of enrollment, in Paterson, NJ.
School 21 has a Resource Investment Index of 18/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, School 21 ranks #12 of 12 schools in Paterson, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Paterson on the city page.
School 21 earns 18/100 on the Resource Investment Index, with class sizes larger than 89% of New Jersey schools. 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.
Besides School 21, Paterson Public School District also operates Eastside High School (2,073 students), John F. Kennedy High School (1,846 students), and Joseph a. Taub School (976 students). See the Paterson Public School District district page for the complete list.
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.
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PlainSchools, “School 21, Paterson NJ.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/school-21-nj
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.