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S
40.4/ 100
Success Index (US)
Lower 50%

#146 of 178 middle schools in Connecticut
#9731 of 15,369 nationally

How is this calculated?
Students
262
Enrollment
262
Source: NCES CCD
Free/reduced-price lunch
46.2%
Source: NCES CCD
Students per teacher
10.1
Source: NCES CCD

About Thompson Middle School

Thompson Middle School is a public middle located in North Grosvenordale, in the Thompson School District school district of Connecticut, United States. It caters for Grades 5–8. In 2025 it enrolled 262 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 40.4 out of 100, placing it in the lower 50% of middle schools in United States and 146th of 178 ranked middle schools in Connecticut. Its strongest component is students per teacher (87th percentile), and its weakest is math proficiency (15th percentile).

Other published figures: enrollment 262.

There are 3 schools in North Grosvenordale; Thompson Middle School ranks 3rd of 3 scored schools there.

Success Index (US) breakdown

Each component is a percentile against middle schools across United States.

  • Math proficiency (30%)22%
  • Reading proficiency (30%)35%
  • Community advantage (fewer free/reduced-price lunch) (25%)46.2%
  • Students per teacher (15%)10.1

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Thompson Middle School by the official sources.

Enrollment
262
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
46.2%
Share of students eligible for free or reduced-price lunch.
Students per teacher
10.1
Enrollment divided by FTE teachers; not class size.
Reading proficiency
35%
Share of tested students proficient or above (all students, all grades).
Math proficiency
22%
Share of tested students proficient or above (all students, all grades).

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Schools near Thompson Middle School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public middle schools in Connecticut with a comparable Enrollment.

Frequently asked questions

Is Thompson Middle School a good school?

Thompson Middle School has a Success Index (US) of 40.4 out of 100 (Lower 50% of middle schools in United States) and ranks #146 of 178 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Thompson Middle School rank in Connecticut?

Thompson Middle School ranks #146 of 178 middle schools in Connecticut and #9731 of 15,369 nationally on the Success Index (US) (2025 data).

How many students attend Thompson Middle School?

Thompson Middle School had 262 students in 2025.

Is Thompson Middle School a elementary school or a high school?

Thompson Middle School is classified as a middle covering Grades 5–8. It is a public school.

What other schools are near Thompson Middle School?

There are 10 schools within 15 km of Thompson Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.