Cloonan School
🇺🇸 Official data · 2025Stamford, Connecticut 06902 · Stamford School District
#142 of 178 middle schools in Connecticut
#8886 of 15,369 nationally
About Cloonan School
Cloonan School is a public middle located in Stamford, in the Stamford School District school district of Connecticut, United States. It caters for Grades 6–8. In 2025 it enrolled 447 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 44.2 out of 100, placing it in the lower 50% of middle schools in United States and 142nd of 178 ranked middle schools in Connecticut. Its strongest component is students per teacher (97th percentile), and its weakest is math proficiency (27th percentile).
Other published figures: enrollment 447.
There are 22 schools in Stamford; Cloonan School ranks 20th of 22 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)30%
- Reading proficiency (30%)42%
- Community advantage (fewer free/reduced-price lunch) (25%)61.5%
- Students per teacher (15%)8.9
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 Cloonan School by the official sources.
- Enrollment
- 447
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 61.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 8.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 30%
- Share of tested students proficient or above (all students, all grades).
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Schools near Cloonan School
Closest schools by straight-line distance, with their Success Index (US).
Hart School
Stamford · Public elementary · Grades K–5
566 students · 208 m away
Stamford Charter School for Excellence
Stamford · Charter elementary · Grades PK–8
543 students · 727 m away
Westover School
Stamford · Public elementary · Grades K–6
624 students · 1.2 km away
Stamford High School
Stamford · Public high · Grades 9–12
2,102 students · 1.3 km away
Strawberry Hill an ext. of Rogers International
Stamford · Public elementary · Grades K–8
799 students · 1.4 km away
Stillmeadow School
Stamford · Public elementary · Grades K–5
587 students · 1.5 km away
Julia A. Stark School
Stamford · Public elementary · Grades K–5
553 students · 2.2 km away
International School At Dundee
Riverside · Public elementary · Grades K–5
342 students · 2.6 km away
North Mianus School
Riverside · Public elementary · Grades K–5
423 students · 2.7 km away
Rippowam Middle School
Stamford · Public middle · Grades 6–8
704 students · 2.8 km away
Similar schools
Public middle schools in Connecticut with a comparable Enrollment.
Teachers' Memorial Global Studies Magnet Middle School
Norwich · Public middle · Grades 6–8
447 students
Cromwell Middle School
Cromwell · Public middle · Grades 6–8
448 students
Suffield Middle School
Suffield · Public middle · Grades 6–8
443 students
William J. Johnston Middle School
Colchester · Public middle · Grades 6–9
452 students
Long River Middle School
Prospect · Public middle · Grades 6–8
434 students
Avon Middle School
Avon · Public middle · Grades 7–8
461 students
Frequently asked questions
Is Cloonan School a good school?
Cloonan School has a Success Index (US) of 44.2 out of 100 (Lower 50% of middle schools in United States) and ranks #142 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 Cloonan School rank in Connecticut?
Cloonan School ranks #142 of 178 middle schools in Connecticut and #8886 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Cloonan School?
Cloonan School had 447 students in 2025.
Is Cloonan School a elementary school or a high school?
Cloonan School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Cloonan School?
There are 10 schools within 15 km of Cloonan School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.