Thompson Middle School

Middle school·Grades 5-8 North Grosvenordale, Connecticut·06255
Score
36.1/100
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#106
Among 165 Connecticut middle schools
Top 65%
In Connecticut

Score 36.1/100: better than 36% 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
65.4
Similar Connecticut schools ≈ 67.4, better than 37% of them
Math
61.2
Similar Connecticut schools ≈ 63.1, better than 37% of them
Science
62.2
Similar Connecticut schools ≈ 65.9, better than 30% 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)65.4—
MathAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)61.2—
ScienceAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)62.2—

School profile

Grades
5-8
Students
270
Type
Middle school
Charter school
No
Program
Regular

Students

Enrollment
270
Typical middle school: 511
Free or reduced-price lunch
45%
Typical middle school: 36%

District and location

City
Northeastern Connecticut Planning Region

Contact

Address
785 Riverside Dr.
North Grosvenordale, CT 06255

"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

Thompson Middle School at a glance

Thompson Middle School is a public middle school in North Grosvenordale, Connecticut, serving grades 5-8. It is part of Thompson School District. It has about 270 students (a typical Connecticut middle school has 511). About 45% 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, 65.4 in English language arts (similar schools: 67.4) and 61.2 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 36.1 out of 100: better than 36% of them, ranking #106 of 165. Its English language arts result rose by 3 points 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.