Enrollment
515
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Central Village, CT
Plainfield High School
Federal NCES profile for Plainfield High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090327000695
👥 S:T ratio 64
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 83
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Plainfield High School earns 48/100 on the Resource Investment Index, with class sizes smaller than 90% of Connecticut schools.
- 48
- Resource Index · Typical
- 8.9:1
- small classes for Connecticut
- 41.7%
- free-lunch eligible
- 515
- students enrolled
Plainfield High School has class sizes smaller than 90% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
School address
District: Plainfield School District · Connecticut
NCES ID 090327000695 Verify on NCES CCD record →
Teachers (FTE)
58.0
Federal CCD staff survey
Students per teacher
8.9:1
vs 12.1:1 Connecticut avg
-26% vs state
Free-lunch eligible
41.7%
vs 36.4% Connecticut avg
+15% vs state
Student-teacher ratio in context
How Plainfield High School compares with Connecticut and U.S. medians
What stands out at Plainfield High School
Plainfield High School is a mid-sized high school in Central Village, Connecticut, enrolling 515 students.
Classes run notably small here: at 8.9:1, Plainfield High School is leaner than roughly 90% of Connecticut schools and 26% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 41.7% of students eligible for free meals.
Enrollment of 515 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Against 202 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #62.
Its student body is predominantly White (84% of enrollment) (diversity index 28/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage is strong, about 86 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 31.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 146 in- and out-of-school suspensions were reported for 515 students in the 2021-22 Civil Rights Data Collection.
Plainfield School District also operates Plainfield Central School (422 students) and Shepard Hill Elementary School (392 students) alongside Plainfield 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 Plainfield High School compares
Plainfield High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.9:1 | ▼ 26% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 41.7% | ▲ 15% | 36.4% | 51.7% |
| Enrollment | 515 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.9:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
515
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
41.7%
free-lunch eligible
- 15% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
8.9:1
students per teacher
- 26% below state mean
Top 10% in Connecticut - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
31.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$22,473
per pupil, district-wide
- below Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 86 students, the combined health-and-guidance staffing load for this school.
Discipline context
87
in-school suspensions + 59 out-of-school
Suspension rate: 16.9 per 100 students. Combined in-school and out-of-school rate: 28.3 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 84.3%
African American 4.5%
Hispanic or Latino 3.9%
Two or More 2.5%
Asian 2.3%
American Indian / Alaska Native 1.9%
Native Hawaiian / Pacific Islander 0.6%
Largest group: White at 84.3% of enrollment.
Student-body diversity index 28.4/100
Simpson diversity index - at 28.4, Plainfield High School is less mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 8
Funding & spending
District-wide per-pupil expenditure for Plainfield School District, which includes Plainfield High School.
$22,473
Per student
-6%
vs Connecticut
Avg $23,870
+35%
vs U.S.
Avg $16,593
Revenue mix
Local 45.4%
State 44.9%
Federal 9.7%
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 Plainfield High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Plainfield Central School | Similar size | Similar economic need | Similar S:T ratio |
| Shepard Hill Elementary School | Similar size | Higher economic need | Higher S:T ratio |
| Plainfield Memorial School | Smaller | Similar economic need | Higher S:T ratio |
| Moosup Elementary School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Plainfield High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 422
- Students per teacher
- 9.8:1
- Resource Index
- 64/100
- Enrollment
- 392
- Students per teacher
- 15.1:1
- Resource Index
- 40/100
- Enrollment
- 291
- Students per teacher
- 12.1:1
- Resource Index
- 44/100
- Enrollment
- 252
- Students per teacher
- 11.5:1
- Resource Index
- 46/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~515 students)
Next steps
Verify locally before acting on Plainfield High School's federal record.
- Compare Plainfield High School against another school. Compare schools
- Plainfield 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 Plainfield High School
How many students attend Plainfield High School?
Plainfield High School has 515 students enrolled. It is a high school in Central Village, CT.
What is the student-teacher ratio at Plainfield High School?
The student-teacher ratio at Plainfield High School is 8.9:1, which is 26% lower than the Connecticut average of 12.1:1 and 43% 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 Plainfield High School?
41.7% of students at Plainfield High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Plainfield High School?
The largest demographic group at Plainfield High School is White at 84.3% of enrollment, in Central Village, CT.
What is the Resource Investment Index for Plainfield High School?
Plainfield High School has a Resource Investment Index of 48/100 (typical 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 Plainfield High School a good school?
Plainfield High School earns 48/100 on the Resource Investment Index, with class sizes smaller than 90% of Connecticut 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.
What other schools are in Plainfield School District?
Besides Plainfield High School, Plainfield School District also operates Plainfield Central School (422 students), Shepard Hill Elementary School (392 students), and Plainfield Memorial School (291 students). See the Plainfield 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.