Average
#703 of 990 schools in CT
Common Ground High School
High School · Common Ground High School District
358 Springside Ave., New Haven, CT 06515
Enrollment
223
Student-Teacher
8.9:1
Score
5.3
Grades
9th – 12th
Enrollment
223
Student-Teacher
8.9:1
Score
5.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In New Haven
#9 of 42
public schools
Connecticut high schools
#143 of 196
Academic growth
9.4 / 10
Exceptional
About Common Ground High School
Common Ground High School is a charter high school located in New Haven, Connecticut, serving students from ninth through twelfth grade. With an enrollment of 223 students and a student-teacher ratio of 8.9:1, the school offers personalized attention to each student. The dedicated faculty of 25 full-time equivalent teachers focuses on fostering a supportive learning environment.
Common Ground High School has a MySchoolScout rating of 5.0 out of 10 and ranks 612th among 996 schools in Connecticut, placing it around the 39th percentile. Academically, the school is currently at 1.9 out of 10 on the Academic Score metric. In ELA/Reading, 33% of students are proficient or above, while in Math, only 7% reach proficiency levels.
Despite these challenges, Common Ground High School emphasizes student development and provides a range of programs to support its diverse learners. The school is situated in a mid-size city, offering a variety of resources and opportunities for students outside the classroom.
What Parents Should Know
While current test scores at Common Ground High School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
With a student-teacher ratio of 8.9:1, Common Ground High School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
Common Ground High School is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Common Ground High School — Students at Common Ground High School score 15% proficient, which is below what's typical for similar communities (expected: 29%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
65.5%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 6 test records from CT state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.4/10.
How Common Ground High School Compares
See how Common Ground High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 5% (2019) to 5% (2022). Reading/ELA proficiency has remained stable from 24.5% (2019) to 24.5% (2022).
Location
358 Springside Ave., New Haven, CT 06515
Nearby Alternatives
Families considering Common Ground High School may also want to explore other high schools in the area. HOPKINS SCHOOL (rated 6.9/10, 1.4 miles away), which scores notably higher. Another option is Eli Whitney Technical High School (rated 5.0/10, 1.0 miles away, in nearby Hamden), with a very similar rating. Additionally, James Hillhouse High School (rated 5.0/10, 1.5 miles away), with a very similar rating. For more schools in New Haven, see our New Haven schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| Brennan Rogers School New Haven | 0.4 mi | 5.0 |
| Elm City Montessori School New Haven | 0.7 mi | 6.6 |
| Barack H. Obama Magnet University School New Haven | 0.7 mi | 3.5 |
| CHAPEL HAVEN SCHLEIFER CENTER New Haven | 0.7 mi | — |
| Mauro-Sheridan Magnet School New Haven | 0.8 mi | 4.7 |
| Beecher School New Haven | 0.9 mi | 3.8 |
| Davis Academy for Arts & Design Innovation New Haven | 1.0 mi | 5.2 |
| Eli Whitney Technical High School Hamden | 1.0 mi | 5.0 |
| CHILDREN'S HOUSE OF MONTESSORI Woodbridge | 1.0 mi | — |
| King/Robinson Magnet School New Haven | 1.0 mi | 4.2 |
| Edgewood School New Haven | 1.4 mi | 4.9 |
| Helen Street School Hamden | 1.2 mi | 6.1 |
| HOPKINS SCHOOL New Haven | 1.4 mi | 6.9 |
| James Hillhouse High School New Haven | 1.5 mi | 5.0 |
| Barnard Environmental Magnet School New Haven | 2.0 mi | 5.1 |
| Lincoln-Bassett School New Haven | 1.5 mi | 6.6 |
| Augusta Lewis Troup School New Haven | 1.9 mi | 5.6 |
| Church Street School Hamden | 1.8 mi | 8.0 |
| Dunbar Hill School Hamden | 2.2 mi | 3.1 |
| Wexler/Grant Community School New Haven | 2.0 mi | 5.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 06515 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$74,044
Median Home Value
$284,200
Median Rent
$1,410/mo
Population
18,388
College Educated
48.5%
Homeownership
42.4%
Avg Commute
20.9 min
Poverty Rate
22.6%
Median Age
31.4
Community Profile
The community surrounding Common Ground High School has a median household income of $74,044. It is a well-educated community where 49% of adults hold a bachelor's degree or higher. The median home value in the area is $284,200, with a median rent of $1,410/month. The area has a poverty rate of 22.6%, indicating some economic challenges in the community. The average commute for residents is 21 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| The Bridge Academy Bridgeport, CT | 5.4 |
| Putnam High School Putnam, CT | 5.0 |
| Thomaston High School Thomaston, CT | 5.6 |
| High School In The Community New Haven, CT | 5.7 |
| Global Experience Magnet School Bloomfield, CT | 5.8 |
| Housatonic Valley Regional High School Falls Village, CT | 5.9 |
Frequently Asked Questions
Common questions about Common Ground High School
What grades does Common Ground High School serve?
Common Ground High School serves students in grades 9th through 12th.
How many students attend Common Ground High School?
Common Ground High School has an enrollment of approximately 223 students.
What is the student-teacher ratio at Common Ground High School?
The student-teacher ratio at Common Ground High School is 8.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Common Ground High School rank in CT?
Common Ground High School is ranked #703 out of 990 schools in CT.
What is Common Ground High School's MySchoolScout rating?
Common Ground High School has a composite rating of 5.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Common Ground High School?
Based on the most recent state assessment data, Common Ground High School has 6.7% math proficiency and 32.8% reading/ELA proficiency.
Is Common Ground High School a charter school?
Yes, Common Ground High School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Common Ground High School a Title I school?
No, Common Ground High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Common Ground High School?
65.5% of students at Common Ground High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
- City Safety
- High (4,132/100K)
FBI UCR 2024. City-level (New Haven). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 223
- Student-Teacher Ratio
- 8.9:1
- Teachers (FTE)
- 25
- Free/Reduced Lunch
- 65.5%
- Type
- regular
- Setting
- Midsize City
- County
- Connecticut Planning Region 7
- Phone
- (203) 389-4333
- Data Year
- 2023–2024
Resources & Links
District
Common Ground High School District- District Enrollment
- 223
- Schools in District
- 1
- Per-Pupil Spending
- $21,354
- District Rank
- #1 of 1
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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