- Enrollment
- 535
- Students per teacher
- 10.5:1
- Resource Index
- 48/100
High school (grades 9-12) · Plainville, CT
Plainville High School
Federal NCES profile for Plainville High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090330000703
👥 S:T ratio 54
🌟 Gifted program 30
🎓 Counselors 66
📋 Attendance 29
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Plainville High School earns 45/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #4 of 5
- public schools in Plainville · Resource Index
- 45
- Resource Index · Typical
- 11.4:1
- students per teacher
- 30.5%
- free-lunch eligible
Plainville High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Plainville High School ranks #4 of 5 public schools in Plainville, CT.
School address
District: Plainville School District · Connecticut
NCES ID 090330000703 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Plainville High School held near 688 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 59.9 → 57.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 090330000703 · Plainville, CT High · MID · TRAD
674 enr · 11.4:1 · 30.5% lunch · RII 45
Nearest enrollment peer: Middle School of Plainville (535 students)
Plainville High School held near 688 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 59.9 → 57.9 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Plainville High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Plainville High School
674 students
- Middle School
Middle School of Plainville
535 students
- Louis Toffolon
Louis Toffolon School
365 students
- Linden Street
Linden Street School
363 students
- Frank T. Wheel 262
Frank T. Wheeler School
262 students
What this shows Plainville High School reports 674 students on the CCD universe file.
How Plainville High School compares
Plainville High School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.4:1 | ▼ 6% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 30.5% | ▼ 16% | 36.4% | 51.7% |
| Enrollment | 674 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.4:1
Leaner classes than 80% of US schools, among the more generously staffed nationally.
674
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
30.5%
free-lunch eligible
- 16% below the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.4:1
students per teacher
- 6% below state mean
Top 46% in Connecticut - lower ratio than 54% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.5%
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
$23,321
per pupil, district-wide
- below Connecticut avg of $24,680
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 169 students, the combined health-and-guidance staffing load for this school.
Discipline context
35
in-school suspensions + 27 out-of-school
Suspension rate: 5.2 per 100 students. Combined in-school and out-of-school rate: 9.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 59.8%
Hispanic or Latino 24.9%
African American 6.1%
Two or More 5.5%
Asian 3.4%
American Indian / Alaska Native 0.3%
Largest group: White at 59.8% of enrollment.
Student-body diversity index 57.2/100
Simpson diversity index - at 57.2, Plainville High School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 7
District finance for Plainville School District reports $23,321 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Plainville High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Middle School of Plainville | Similar size | Similar economic need | Similar S:T ratio |
| Louis Toffolon School | Smaller | Similar economic need | Similar S:T ratio |
| Linden Street School | Smaller | Similar economic need | Similar S:T ratio |
| Frank T. Wheeler School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Plainville High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 365
- Students per teacher
- 12.6:1
- Resource Index
- 46/100
- Enrollment
- 363
- Students per teacher
- 11.7:1
- Resource Index
- 42/100
- Enrollment
- 262
- Students per teacher
- 8.7:1
- Resource Index
- 47/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~674 students)
Frequently asked questions about Plainville High School
How many students attend Plainville High School?
Plainville High School has 674 students enrolled. It is a high school in Plainville, CT. CCD year-over-year: 686 (2022-23) → 688 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Plainville High School?
The student-teacher ratio at Plainville High School is 11.4:1, which is 6% lower than the Connecticut average of 12.1:1 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 Plainville High School?
30.5% of students at Plainville High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Plainville High School?
The largest demographic group at Plainville High School is White at 59.8% of enrollment, in Plainville, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.2/100.
What is the Resource Investment Index for Plainville High School?
Plainville High School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Plainville High School rank among public schools in Plainville?
By Resource Investment Index, Plainville High School ranks #4 of 5 public schools in Plainville, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Plainville on the city page.
What other schools are in Plainville School District?
Besides Plainville High School, Plainville School District also operates Middle School of Plainville (535 students), Louis Toffolon School (365 students), and Linden Street School (363 students). See the Plainville School District district page for the complete list.