Serving 515 students in grades 9-12, Plainfield High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 10-14% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is lower than the Connecticut state average of 50%).
The student-teacher ratio of 10:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 16% of the student body (majority Black and Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 515 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 16%
- Graduation Rate: 85-89% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 40-44% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Attendance Zone: Plainfield High School's attendance zone encompasses the entire school district in Central Village, CT, covering approximately 43 square miles. The typical drive to the school is around 10-12 minutes, with an average distance of 3.4 miles from the school to the edge of the zone and a maximum distance of 7.2 miles to the furthest edge.
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Overview
Plainfield High School's student population of 515 students has declined by 6% over five school years.
The teacher population of 50 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
515 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
50 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
School Rankings
Plainfield High School ranks within the bottom 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Plainfield High School is 0.29, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#718 out of 939 schools
(Bottom 50%)
(Bottom 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
10-14%
41%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
40-44%
50%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
20-24%
47%
Student-Teacher Ratio
10:1
12:1
Showing 2015–2025. Full 39-year historical data available below ↓
American Indian
2%
n/a
Asian
2%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
4%
32%
Showing 2014–2025. Full 38-year historical data available below ↓
Black
4%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
White
84%
46%
Showing 2015–2025. Full 38-year historical data available below ↓
Hawaiian
1%
n/a
Two or more races
3%
5%
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Graduation Rate
85-89%
88.2%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(22-23)31.5%
19.3%
Eligible for Free Lunch
43%
38%
Showing 2015–2025. Full 32-year historical data available below ↓
Eligible for Reduced Lunch
9%
6%
Showing 2015–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Plainfield High School's ranking?
Plainfield High School is ranked #718 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Plainfield High School often compared to?
Plainfield High Schoolis often viewed alongside schools like Killingly High School, Plainfield Central School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 41% CT state average), while 40-44% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Plainfield High School?
The graduation rate of Plainfield High School is 85-89%, which is lower than the Connecticut state average of 88.2%.
How many students attend Plainfield High School?
515 students attend Plainfield High School.
What is the racial composition of the student body?
84% of Plainfield High School students are White, 4% of students are Hispanic, 4% of students are Black, 3% of students are Two or more races, 2% of students are American Indian, 2% of students are Asian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Plainfield High School?
Plainfield High School has a student ration of 10:1, which is lower than the Connecticut state average of 12:1.
What grades does Plainfield High School offer ?
Plainfield High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Plainfield High School part of?
Plainfield High School is part of Plainfield School District.
School Calendar
View the Plainfield High School yearly calendar below. Note key dates such as:
Event
Date
Early Release - Thanksgiving Break
November 25, 2026 (Wednesday)
Thanksgiving Break - No School
November 26, 2026 (Thursday)
Last Day of School - ERD
June 11, 2027 (Friday)
School Reviews
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