16 public K-12 schools in Plainfield from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
16 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Plainfield's 16 public schools is Plainfield High School, scoring 30/100, against a city average of 33.4/100. Computed live across every Plainfield campus reporting to NCES.
How the Plainfield Public-School Landscape Breaks Down
Plainfield, NJ enrolls 8,388 students across 16 public schools reporting to the National Center for Education Statistics. Of those, 2 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 15.2:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 33.4/100. Schools must report at least five campuses in a city to appear in this listing, which is why very small towns may redirect to the broader county or state view.
The most-resourced campus in Plainfield on this index is Plainfield High School, at 30/100 on the Resource Investment Index with 2,077 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Plainfield spans 6 districts, each filing its own NCES F-33 return, per-pupil spending can vary between neighbouring campuses. Sort the table below by enrollment, level, or district; click any school for its full profile.
Plainfield High School accounts for 19.0% of all Plainfield public-school enrollment
That concentration means Plainfield-wide averages can mask substantial variation outside the dominant entity. Grade level: High. A dominant campus often anchors a city's program landscape and absorbs a disproportionate share of district capital and staffing decisions. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.
Plainfield school enrollment varies 31× across entities
Plainfield school enrollment ranges from 67 students (lowest) to 2,077 students (highest), a spread of 2,010 students. That ratio is among the widest observed and reflects extreme heterogeneity inside a single city, small specialty programs sit alongside large comprehensive campuses, often serving very different family demographics inside walking distance. Per-school staffing, programme depth, and capital-renovation cycles often diverge inside the same city based on enrollment shape, a 200-student magnet runs a different operational model than a 2,000-student comprehensive high school.
Plainfield has higher-than-average Title I eligibility — 68.0% of the population qualifies for free or reduced-price lunch
free or reduced-price lunch eligibility is the federal threshold for Title I funding allocations, established under the Every Student Succeeds Act (ESSA, 2015). Eligibility here is approaching the 75% concentration-grant threshold; it does not yet unlock the extra funding tier but sits meaningfully above the baseline 50% majority mark. Regions with eligibility this high typically draw a substantially larger federal funding share relative to their local tax base, which can either offset or reinforce existing gaps depending on allocation policy.
Plainfield operates 6 school districts — among the most fragmented governance structures in the country
Each school district has independent budgeting, hiring, and service delivery authority. The fragmentation reflects historical patterns of inter-municipal boundary lines that pre-date modern city growth, students in different parts of the same city can attend different districts with different per-pupil spending, calendars, and graduation requirements. Per-region variation is largest in fragmented systems because each school district sets its own budget, contracts, and priorities without higher-level coordination above the regulatory floor.
Plainfield student-teacher ratio is 15.2:1 — near the typical range (US average ~15.7) — aligned with the U.S. average of approximately 15.7:1
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Variation between sub-units within Plainfield is typically wider than the Plainfield-aggregate figure suggests.
Plainfield has higher-than-average charter school authorisation eligibility — 12.5% of the population qualifies for charter-school enrollment options
charter-school enrollment options eligibility is the federal threshold for charter school authorisation funding allocations, established under the state-specific charter law. Areas above 30% eligibility receive concentration grants on top of the basic charter school authorisation formula. Regions with eligibility this high typically draw a substantially larger federal funding share relative to their local tax base, which can either offset or reinforce existing gaps depending on allocation policy.
Most racially and ethnically mixed schools in Plainfield
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
The highest-ranked school in Plainfield is Plainfield High School with a quality score of 30/100. There are 16 public schools in Plainfield with 8,388 total students.
How many schools are in Plainfield, NJ? ▼
Plainfield has 16 public schools with a total enrollment of 8,388 students. 2 are charter schools. Average student-teacher ratio: 15.2:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. Quality scores based on student-teacher ratio,
counselor access, gifted programs, and attendance. Schools must have 5+ in the city to be listed.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the NCES Common Core of Data (CCD). Consult a qualified professional before making decisions based on this data.
Read our methodology, which explains how this data is sourced, computed, and verified.
