Common Ground High School
🇺🇸 Official data · 2025New Haven, Connecticut 06515 · Common Ground High School District
#160 of 180 high schools in Connecticut
#14564 of 16,910 nationally
About Common Ground High School
Common Ground High School is a charter high located in New Haven, in the Common Ground High School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 221 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 24.0 out of 100, placing it in the lower 50% of high schools in United States and 160th of 180 ranked high schools in Connecticut. Its strongest component is students per teacher (77th percentile), and its weakest is math proficiency (3th percentile).
Other published figures: enrollment 221.
There are 42 schools in New Haven; Common Ground High School ranks 25th of 39 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)5%
- Reading proficiency (30%)24.5%
- Community advantage (fewer free/reduced-price lunch) (25%)64.3%
- Students per teacher (15%)10.0
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 Common Ground High School by the official sources.
- Enrollment
- 221
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 64.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 24.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Common Ground High School
Closest schools by straight-line distance, with their Success Index (US).
Brennan Rogers School
New Haven · Public elementary · Grades PK–8
203 students · 679 m away
Elm City Montessori School
New Haven · Charter elementary · Grades PK–8
312 students · 1.1 km away
Barack H. Obama Magnet University School
New Haven · Public elementary · Grades PK–4
343 students · 1.1 km away
Mauro-Sheridan Magnet School
New Haven · Public elementary · Grades PK–8
482 students · 1.3 km away
Beecher School
New Haven · Public elementary · Grades PK–8
462 students · 1.4 km away
Davis Academy for Arts & Design Innovation
New Haven · Public elementary · Grades PK–8
489 students · 1.6 km away
King/Robinson Magnet School
New Haven · Public elementary · Grades PK–8
412 students · 1.7 km away
Helen Street School
Hamden · Public elementary · Grades PK–6
280 students · 1.9 km away
Edgewood School
New Haven · Public elementary · Grades K–8
397 students · 2.2 km away
James Hillhouse High School
New Haven · Public high · Grades 9–12
1,124 students · 2.4 km away
Similar schools
Charter high schools in Connecticut with a comparable Enrollment.
Frequently asked questions
Is Common Ground High School a good school?
Common Ground High School has a Success Index (US) of 24.0 out of 100 (Lower 50% of high schools in United States) and ranks #160 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 Common Ground High School rank in Connecticut?
Common Ground High School ranks #160 of 180 high schools in Connecticut and #14564 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Common Ground High School?
Common Ground High School had 221 students in 2025.
Is Common Ground High School a elementary school or a high school?
Common Ground High School is classified as a high covering Grades 9–12. It is a charter school.
What other schools are near Common Ground High School?
There are 10 schools within 15 km of Common Ground High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.