Serving 1,766 students in grades 9-12, Brien Mcmahon High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 28% (which is lower than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 43% (which is lower than the Connecticut state average of 50%).
The student:teacher ratio of 15:1 is higher than the Connecticut state level of 12:1.
Minority enrollment is 80% of the student body (majority Hispanic), which is higher than the Connecticut state average of 53% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 1,766 students
Student:Teacher Ratio: 15:1
Minority Enrollment: 80%
Graduation Rate
: 88% (Btm 50% in CT)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 28% (Btm 50%)
Reading Proficiency
: 43% (Btm 50%)
Science Proficiency
: 28% (Btm 50%)
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Brien Mcmahon High School ranks within the bottom 50% of all 942 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Brien Mcmahon High School is 0.57, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Brien Mcmahon High School is ranked #623 out of 942 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Brien Mcmahon High School often compared to?
Brien Mcmahon High Schoolis often viewed alongside schools like Norwalk High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
28% of students have achieved math proficiency (compared to the 40% CT state average), while 43% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Brien Mcmahon High School?
The graduation rate of Brien Mcmahon High School is 88%, which is lower than the Connecticut state average of 89%.
How many students attend Brien Mcmahon High School?
1,766 students attend Brien Mcmahon High School.
What is the racial composition of the student body?
61% of Brien Mcmahon High School students are Hispanic, 20% of students are White, 13% of students are Black, 4% of students are Asian, and 2% of students are Two or more races.
What is the student:teacher ratio of Brien Mcmahon High School?
Brien Mcmahon High School has a student ration of 15:1, which is higher than the Connecticut state average of 12:1.
What grades does Brien Mcmahon High School offer ?
Brien Mcmahon High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Brien Mcmahon High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 1,766 students
Student:Teacher Ratio: 15:1
Minority Enrollment: 80%
Graduation Rate
: 88% (Btm 50%)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 28% (Btm 50%)
Reading Proficiency
: 43% (Btm 50%)
Science Proficiency
: 28% (Btm 50%)
Source: National Center for Education Statistics (NCES), CT Dept. of Education
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