Derby Middle School

Middle school·Grades 6-8 Derby, Connecticut·06418
Score
13.0/100
Compare Derby Middle School with another school
#144
Among 165 Connecticut middle schools
Top 88%
In Connecticut

Score 13.0/100: better than 13% of Connecticut middle schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

Performance Index (0-100) on state tests in Connecticut, all students. Colored bars are green when the school is at or above the average for similar Connecticut schools.

English language arts
57.9
Similar Connecticut schools ≈ 67.4, better than 18% of them
Math
46.6
Similar Connecticut schools ≈ 63.1, better than 11% of them
Science
48.0
Similar Connecticut schools ≈ 65.9, better than 6% of them
All Connecticut schools (ELA / math)
64.8 / 61.3
State average across every school type, 2024-25
All 3 published results by grade and test

As published by Connecticut State Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)57.9—
MathAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)46.6—
ScienceAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)48.0—

School profile

Grades
6-8
Students
282
Type
Middle school
Charter school
No
Program
Regular

Students

Enrollment
282
Typical middle school: 511
Free or reduced-price lunch
66%
Typical middle school: 36%

District and location

School district
City
Naugatuck Valley Planning Region

Contact

Address
73 Chatfield Street
Derby, CT 06418
District website
Shared by several schools in the district

"Typical" is the middle (median) middle school in Connecticut. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby middle schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Derby Middle School at a glance

Derby Middle School is a public middle school in Derby, Connecticut, serving grades 6-8. It is part of Derby School District. It has about 282 students (a typical Connecticut middle school has 511). About 66% of students are eligible for free or reduced-price lunch, compared with 36% at a typical Connecticut middle school, which is useful context when reading test results.

In 2024-25 state tests, 57.9 in English language arts (similar schools: 67.4) and 46.6 in math (similar schools: 63.1) reached the performance index shown (Performance Index (0-100)). On our score, which compares it only with other Connecticut middle schools, it scores 13.0 out of 100: better than 13% of them, ranking #144 of 165. Its English language arts result was broadly unchanged from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.