1
Enrollment
515
High
DISTRICT 374 · STATE 788
SCHOOL COMMUNITY·PLAINFIELD SCHOOL DISTRICT·NCES 090327000695
Plainfield High School
105 Putnam Road, Central Village, CT 06332 · (860) 564-6417 · Northeastern Connecticut Planning Region
GRADES 09–12HIGH32-TOWNTITLE IREGULAR SCHOOL515 STUDENTS
·
allk12 Grade
Not graded
This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work
Student : Teacher
10.3:1
50 FTE teachers
DISTRICT 11.4:1 · STATE 12.3:1
Free / Reduced Lunch
52%
267 students
DISTRICT 58% · STATE 44%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 134 | 26% |
| Grade 10 | 110 | 21% |
| Grade 11 | 153 | 30% |
| Grade 12 | 118 | 23% |
Student demographics
28%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 28% · STATE 67% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Plainfield School District. Attendance zones can vary; confirm enrollment with the district.
Schools most like Plainfield High School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Plainfield High School this school | 515 | 51.8% | N/A |
| Griswold High School Griswold | 606 | 52.6% | N/A |
| Terryville High School Terryville | 337 | 54.3% | N/A |
| Killingly High School Dayville | 744 | 42.9% | N/A |
| Seymour High School Seymour | 604 | 50.8% | N/A |
| The Gilbert School Winsted | 452 | 56.4% | N/A |
Matched among Connecticut high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Plainfield High School ranks
Among high schools| Measure | This school | In Connecticut | In Northeastern Connecticut Planning Region |
|---|---|---|---|
| Enrollment ranked largest first | 515 | #134 of 201 | #4 of 8 |
| Students per teacher ranked fewest first | 10.3:1 | #45 of 188 | N/A |
| Diversity index ranked most diverse first | 28.5% | #175 of 188 | N/A |
| Free and reduced lunch ranked highest share first | 51.8% | #75 of 196 | #3 of 8 |
| Enrollment change since 2017-18 ranked steepest decline first | -24.5% | #13 of 120 | #1 of 7 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
515
-38 (-7%) vs 2020
-26% since 1990-91, when it was 700
Student : Teacher
10.3:1
was 10.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 515 | 50.1 | 10.3:1 | 52% (267) |
| 2023-24 | 507 | 50.4 | 10.1:1 | 53% (269) |
| 2022-23 | 535 | 58 | 9.2:1 | 49% (263) |
| 2020-21 | 553 | 51 | 10.8:1 | 50% (274) |
| 2017-18 | 682 | 58.4 | 11.7:1 | 38% (262) |
| 2015-16 | 695 | 57 | 12.2:1 | 40% (278) |
| 2010-11 | 792 | 62 | 12.8:1 | 28% (225) |
| 2000-01 | 810 | 59 | 13.7:1 | N/A |
| 1990-91 | 700 | 53 | 13.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Plainfield High School.
Since 2017-18: students down 24% (682 to 515); teachers down 14% (58.4 to 50.1).
About Plainfield High School
Plainfield High School is a high school with a street address in Central Village, Connecticut. Students in grades 9 through 12 make up the school's enrollment of 515 students. By comparison, high schools in Connecticut enroll about 788 students on average.
Plainfield School District includes 5 schools. Together they enroll 1,872 students.
White students are 84% of those enrolled at Plainfield High School. The rest of enrollment is 4% Black, 4% Hispanic, 3% multiracial, and 2% Asian. That is in line with Northeastern Connecticut Planning Region, where about 87% of residents are White. On a 0 to 100 scale, the school's diversity index is 28, compared with 70 nationally.
Its staff includes 50.1 full-time-equivalent teachers, for about 10.3 students per teacher. The average for high schools in Connecticut, 12.3:1, is higher. Plainfield High School has a free or reduced-price lunch rate of 52%. Across public schools in Northeastern Connecticut Planning Region, the average is 42%.
In the surrounding county, Northeastern Connecticut Planning Region, the median household earns about $90,589 a year, roughly 26% of adults have a four-year degree or more, and about 5% of residents live below the federal poverty line. Counting Plainfield High School, Northeastern Connecticut Planning Region has 34 public schools.
Shepard Hill Elementary School sits about 0.2 miles from Plainfield High School. Plainfield High School has at least 8 other public schools within five miles.
Plainfield High School is coded as Town: Distant in federal locale data.
The school shrank from 553 students in 2020-21 to 515 in 2024-25.
On allk12, people connected to Plainfield High School can post about pickup and drop-off, after-school programs, and teacher feedback. Members of the school community can share what they know.
Northeastern Connecticut Planning Region at a glance
View full county profilePopulation
96,312
Census ACS
Median income
$90,589
Household, ACS
Bachelor's+
26%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
34
11,909 students
Quick facts
Related schools
Other schools in Plainfield School District
- Plainfield Central SchoolMiddle · 422 students
- Shepard Hill Elementary SchoolElementary · 392 students
- Plainfield Memorial SchoolElementary · 291 students
- Moosup Elementary SchoolElementary · 252 students
Other Plainfield High schools
3 other US public schools in 4 states are named Plainfield High. Plainfield High School is the 4th largest of the 4.
- Plainfield High SchoolPLAINFIELD, NJ · 2,077 students
- Plainfield High SchoolPlainfield, IN · 1,856 students
- Plainfield High SchoolPlainfield, IL · 1,800 students
Nearby schools
- Shepard Hill Elementary School0.2 mi · 392
- Moosup Elementary School1.7 mi · 252
- Plainfield Memorial School3.6 mi · 291
- Plainfield Central School3.6 mi · 422
- Sterling Community School4.0 mi · 301
- Brooklyn Elementary School4.0 mi · 469
Frequently asked questions
About Plainfield High SchoolHow many students attend Plainfield High School?
Plainfield High School enrolls approximately 515 students in grades 09-12.
Is Plainfield High School an elementary, middle, or high school?
Plainfield High School is a high school covering grades 09-12.
What is the student-teacher ratio at Plainfield High School?
The student-to-teacher ratio at Plainfield High School is approximately 10.3:1 (50 FTE teachers).
What is the racial breakdown of students at Plainfield High School?
At Plainfield High School, the student body is approximately 84% White, 4% Hispanic, 4% Black, 2% Asian, 3% Two or more.
Who oversees Plainfield High School?
Plainfield High School is overseen by Plainfield School District in Northeastern Connecticut Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.