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Needs Improvement

#969 of 990 schools in CT

Common Ground High School

High School · Common Ground High School District

358 Springside Ave., New Haven, CT 06515

Charter

Enrollment

223

Student-Teacher

8.9:1

Score

2.8

Grades

9th – 12th

Data vintage2022-23

How this school compares

Connecticut schools

#969 of 990

In New Haven

#39 of 42

public schools

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Common Ground High School

2.8/10

High School in New Haven · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Brennan Rogers School

4.5/10

0.4 mi away. Use as a geographic alternative in the same move search.

Elm City Montessori School

6.7/10

0.7 mi away. Use as a geographic alternative in the same move search.

About Common Ground High School

Common Ground High School is a public high school in New Haven, CT, part of Common Ground High School District. Common Ground High School serves approximately 223 students, and covers grades 9th-12th, and has a 8.9:1 student-teacher ratio. Common Ground High School has a current MySchoolScout rating of 2.8 out of 10 and ranks #969 of 990 schools in CT.

Structured state assessment records for Common Ground High School show 31% math proficiency (multi-year average, 2009-2022) and 55% reading/ELA proficiency (multi-year average, 2009-2022).

How it compares3.3 pts below CT schools
  • This school 2.8 · Needs Improvement
  • CT avg 6.1

What Parents Should Know

At 8.9:1 students to teachers, Common Ground High School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.

Common Ground High School is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress1.6Needs Improvement25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-5.74 pts/yr
Data Period2009–2022
TrendDeclining
Academics2.6Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency5% (2022 EdFacts)
Reading/ELA Proficiency24.5% (2022 EdFacts)
Overall Proficiency15% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)30% (model expectation from 2022 EdFacts)
vs. Expected-15.0 pts
Adjusted Percentile9th
College Readiness2.7Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate74.5%
AP Participation10.8%
IB ProgramNo
Resources & Environment4.8Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio8.9:1
Per-Pupil Spending$21,354
Chronic Absenteeism22.4%

Common Ground High School — Students at Common Ground High School score 15% proficient, which is below what's typical for similar communities (expected: 30%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

65.5%

Students qualifying for federal meal assistance

Test Scores CT EDFACTS (2021-22)

Math Proficiency 30.9% (multi-year average, 2009-2022)
School
State
N/A
ELA Proficiency 54.5% (multi-year average, 2009-2022)
School
State
N/A

Based on 26 test records from CT state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
74.5%
ELA
84.5%
2010
Math
74.5%
ELA
95%
2011
Math
54.5%
ELA
84.5%
2012
Math
74.5%
ELA
84.5%
2014
Math
34.5%
ELA
44.5%
2015
Math
5%
ELA
34.5%
2016
Math
24.5%
ELA
54.5%
2017
Math
24.5%
ELA
54.5%
2018
Math
5%
ELA
24.5%
2019
Math
5%
ELA
24.5%
2020*
Math
10%
ELA
49.5%
2021*
Math
10%
ELA
49.5%
2022
Math
5%
ELA
24.5%

* 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: 1.6/10.

How Common Ground High School Compares

See how Common Ground High School performs across key quality dimensions compared to state benchmarks.

Overall Score
2.8/10
2th percentile in CT
Academic
2.6/10
Needs Improvement
Growth
1.6/10
Needs Improvement
Environment
4.8/10
Below Average
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
66%
Teaching Staff
9:1 student-teacher ratio
25 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
22.4%

Programs & Offerings

Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

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 5.5/10, 1.0 miles away, in nearby Hamden), which scores notably higher. Additionally, James Hillhouse High School (rated 3.8/10, 1.5 miles away), which scores slightly higher. 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 4.5
Elm City Montessori School New Haven 0.7 mi 6.7
Barack H. Obama Magnet University School New Haven 0.7 mi 6.6
CHAPEL HAVEN SCHLEIFER CENTER New Haven 0.7 mi
Mauro-Sheridan Magnet School New Haven 0.8 mi 5.3
Beecher School New Haven 0.9 mi 6.1
Davis Academy for Arts & Design Innovation New Haven 1.0 mi 3.9
Eli Whitney Technical High School Hamden 1.0 mi 5.5
CHILDREN'S HOUSE OF MONTESSORI Woodbridge 1.0 mi
King/Robinson Magnet School New Haven 1.0 mi 3.3
Edgewood School New Haven 1.4 mi 2.8
Helen Street School Hamden 1.2 mi 4.6
HOPKINS SCHOOL New Haven 1.4 mi 6.9
James Hillhouse High School New Haven 1.5 mi 3.8
Barnard Environmental Magnet School New Haven 2.0 mi 3.3
Lincoln-Bassett School New Haven 1.5 mi 3.2
Augusta Lewis Troup School New Haven 1.9 mi 3.5
Church Street School Hamden 1.8 mi 4.9
Dunbar Hill School Hamden 2.2 mi 3.9
Wexler/Grant Community School New Haven 2.0 mi 4.3

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

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
YESHIVA GEDOLAH OF WATERBURY- MESIVTA DURHAM Durham, CT 4.0
Putnam High School Putnam, CT 4.2
Bristol Arts and Innovation Magnet School Bristol, CT

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 ranks #969 of 990 schools in CT.

What is Common Ground High School's MySchoolScout rating?

Common Ground High School has a current MySchoolScout rating of 2.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Common Ground High School?

Based on loaded state assessment records, Common Ground High School has 31% math proficiency (multi-year average, 2009-2022) and 55% reading/ELA proficiency (multi-year average, 2009-2022).

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
9 Car-Dependent
Transit Score
40 Some Transit
Bike Score
34 Somewhat Bikeable

Powered by Walk Score

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
Chronic Absenteeism (SY 2022-23)
22.4%
4-Year Graduation
74.5%

District

Common Ground High School District
District Enrollment
223
Schools in District
1
Per-Pupil Spending
$21,354
District Rank
#1 of 1

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