Plainville High School
🇺🇸 Official data · 2025Plainville, Connecticut 06062 · Plainville School District
#96 of 180 high schools in Connecticut
#6505 of 16,910 nationally
About Plainville High School
Plainville High School is a public high located in Plainville, in the Plainville School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 674 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 57.3 out of 100, placing it in the top 50% of high schools in United States and 96th of 180 ranked high schools in Connecticut. Its strongest component is students per teacher (77th percentile), and its weakest is math proficiency (46th percentile).
Other published figures: enrollment 674.
There are 5 schools in Plainville; Plainville High School ranks 5th of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)37%
- Reading proficiency (30%)57%
- Community advantage (fewer free/reduced-price lunch) (25%)43.3%
- Students per teacher (15%)11.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Plainville High School by the official sources.
- Enrollment
- 674
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 43.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 57%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Plainville High School
Closest schools by straight-line distance, with their Success Index (US).
Linden Street School
Plainville · Public elementary · Grades PK–5
363 students · 439 m away
Frank T. Wheeler School
Plainville · Public elementary · Grades PK–5
262 students · 2.2 km away
R. E. Thalberg Elementary School
Southington · Public elementary · Grades K–5
443 students · 2.5 km away
Middle School of Plainville
Plainville · Public middle · Grades 6–8
535 students · 3.1 km away
Greene-Hills School
Bristol · Public elementary · Grades K–8
918 students · 3.2 km away
Louis Toffolon School
Plainville · Public elementary · Grades PK–5
365 students · 3.3 km away
Gaffney Elementary School
New Britain · Public elementary · Grades PK–5
438 students · 3.9 km away
Slade Middle School
New Britian · Public middle · Grades 6–8
781 students · 4.3 km away
Lincoln Elementary School
New Britain · Public elementary · Grades K–5
552 students · 4.4 km away
Ellen P. Hubbell School
Bristol · Public elementary · Grades K–5
331 students · 4.4 km away
Similar schools
Public high schools in Connecticut with a comparable Enrollment.
Mark T. Sheehan High School
Wallingford · Public high · Grades 9–12
673 students
The Academy of Information Technology & Engineering
Stamford · Public high · Grades 9–12
658 students
Weston High School
Weston · Public high · Grades 9–12
691 students
New Fairfield High School
New Fairfield · Public high · Grades 9–12
693 students
Watertown High School
Watertown · Public high · Grades 9–12
693 students
Academy of International Studies 6-12
Bloomfield · Public high · Grades 6–12
697 students
Frequently asked questions
Is Plainville High School a good school?
Plainville High School has a Success Index (US) of 57.3 out of 100 (Top 50% of high schools in United States) and ranks #96 of 180 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Plainville High School rank in Connecticut?
Plainville High School ranks #96 of 180 high schools in Connecticut and #6505 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Plainville High School?
Plainville High School had 674 students in 2025.
Is Plainville High School a elementary school or a high school?
Plainville High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Plainville High School?
There are 10 schools within 15 km of Plainville High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.