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Average

#444 of 990 schools in CT

Top 45% in state

Derby High School

High School · Derby School District

75 Chatfield Street, Derby, CT 06418

Enrollment

370

Student-Teacher

10.3:1

Score

6.5

Grades

9th – 12th

Updated 2022-23

How this school compares

In Derby

#2 of 5

public schools

Connecticut high schools

#89 of 196

In district

#2 of 5

Derby School District

Academic growth

9.3 / 10

Exceptional

About Derby High School

Derby High School is a regular public high school located in Derby, Connecticut. Serving students from ninth to twelfth grade, the school has an enrollment of 370 students and maintains a student-teacher ratio of 10.3:1 with 36 full-time equivalent teachers. The academic performance at Derby High places it around the middle among Connecticut high schools, ranking 357th out of 996 schools in the state.

Test scores show that 40% of students are proficient or above in English Language Arts and Reading, while only 11% meet proficiency standards in math. The school is situated in a large suburban area, offering a blend of urban conveniences and suburban charm. Derby High School focuses on supporting its diverse student body with various educational opportunities and resources, even as it works to enhance academic performance across all subjects.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.3Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.52 pts/yr
Data Period2019–2022
TrendStable
Academics4.5Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency15%
Reading/ELA Proficiency44.5%
Overall Proficiency30%
Expected (poverty-adj.)36%
vs. Expected-6.4 pts
Adjusted Percentile26th
College Readiness4.2Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation14.3%
IB ProgramNo
Resources & Environment9.0Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio10.3:1
Per-Pupil Spending$26,556

Derby High School — Students at Derby High School score 30% proficient, which is below what's typical for similar communities (expected: 36%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

56.5%

Students qualifying for federal meal assistance

Test Scores CT EDFACTS (2021-22)

Math Proficiency 10.7%
School
State
N/A
ELA Proficiency 40.3%
School
State
N/A

Based on 6 test records from CT state assessments. About our data

Proficiency Trend

→ Stable

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

2019
Math
12%
ELA
42%
2021*
Math
5%
ELA
34.5%
2022
Math
15%
ELA
44.5%

* 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: 9.3/10.

How Derby High School Compares

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

Overall Score
6.5/10
55th percentile in CT
Academic
4.5/10
4.5/10
Growth
9.3/10
Above average
Environment
9.0/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
57%
Teaching Staff
10:1 student-teacher ratio
36 teachers

Location

75 Chatfield Street, Derby, CT 06418

Nearby Alternatives

Families considering Derby High School may also want to explore other high schools in the area. Shelton High School (rated 6.2/10, 1.4 miles away, in nearby Shelton), with a very similar rating. Another option is Seymour High School (rated 5.8/10, 3.5 miles away, in nearby Seymour), with a comparable rating. Additionally, Emmett O'Brien Technical High School (rated 5.4/10, 1.7 miles away, in nearby Ansonia), a more accessible option. For more schools in Derby, see our Derby schools guide .

Nearby Schools

20 within 3.7 mi
School Distance Rating
Little Raiders University Derby 0.1 mi 5.8
Derby Middle School Derby 0.1 mi 7.8
ST MARY & ST MICHAEL SCHOOL Derby 0.6 mi 6.2
Irving School Derby 0.7 mi 3.9
Ansonia Middle School Ansonia 0.9 mi 3.4
Perry Hill Elementary School Shelton 1.6 mi 4.3
ASSUMPTION SCHOOL Ansonia 1.4 mi 3.4
Shelton High School Shelton 1.4 mi 6.2
Intermediate School Shelton 1.7 mi 6.4
Ansonia High School Ansonia 1.8 mi 5.2
Emmett O'Brien Technical High School Ansonia 1.7 mi 5.4
Bradley School Derby 2.1 mi 6.4
Prendergast School Ansonia 2.0 mi 2.4
Elizabeth Shelton School Shelton 2.3 mi 6.6
Seymour Middle School Seymour 3.0 mi 5.8
Mead School Ansonia 2.5 mi 3.1
Sunnyside School Shelton 3.2 mi 7.9
Long Hill School Shelton 3.5 mi 7.3
Seymour High School Seymour 3.5 mi 5.8
Bungay School Seymour 3.7 mi 5.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 06418 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$75,718

Median Home Value

$243,500

Median Rent

$1,453/mo

Population

12,150

College Educated

33%

Homeownership

61.9%

Avg Commute

27.3 min

Poverty Rate

9.4%

Median Age

46.4

Community Profile

The community surrounding Derby High School has a median household income of $75,718. It is an area where 33% of adults hold a bachelor's degree or higher. The median home value in the area is $243,500, with a median rent of $1,453/month. The local poverty rate of 9.4% is relatively low. The average commute for residents is 27 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
MISS PORTER'S SCHOOL Farmington, CT 6.5
Somers High School Somers, CT 6.5
Great Path Academy at MCC Manchester, CT 6.4
Bloomfield High School Bloomfield, CT 6.3
East Windsor High School East Windsor, CT 6.3
Information Technology & Software Engineering Magnet High Sc Bridgeport, CT 6.3

Frequently Asked Questions

Common questions about Derby High School

What grades does Derby High School serve?

Derby High School serves students in grades 9th through 12th.

How many students attend Derby High School?

Derby High School has an enrollment of approximately 370 students.

What is the student-teacher ratio at Derby High School?

The student-teacher ratio at Derby High School is 10.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Derby High School rank in CT?

Derby High School is ranked #444 out of 990 schools in CT.

What is Derby High School's MySchoolScout rating?

Derby High School has a composite rating of 6.5 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 Derby High School?

Based on the most recent state assessment data, Derby High School has 10.7% math proficiency and 40.3% reading/ELA proficiency.

Is Derby High School a charter school?

No, Derby High School is not a charter school. It is a traditional public school operated by the local school district.

Is Derby High School a Title I school?

No, Derby High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Derby High School?

56.5% of students at Derby 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

City Safety
High (2,895/100K)

FBI UCR 2024. City-level (Derby). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
370
Student-Teacher Ratio
10.3:1
Teachers (FTE)
36
Free/Reduced Lunch
56.5%
Type
regular
Setting
Large Suburb
County
Connecticut Planning Region 4
Data Year
2023–2024

District

Derby School District
District Enrollment
1,345
Schools in District
5
Per-Pupil Spending
$28,158
District Rank
#2 of 5

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 methodology

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