Serving 627 students in grades 9-12, Lewis S. Mills High School ranks in the top 30% of all schools in Connecticut for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 33% of the student body (majority Hispanic), which is lower than the Connecticut state average of 53% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 627 students
Student:Teacher Ratio: 11:1
Minority Enrollment: 33%
Graduation Rate
: ≥95% (Top 20% in CT)
Overall Testing Rank
: Top 30%
Math Proficiency
: 45-49% (Top 50%)
Reading Proficiency
: 70-74% (Top 20%)
Science Proficiency
: 55-59% (Top 50%)
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Lewis S. Mills High School ranks within the top 30% of all 942 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Lewis S. Mills High School is 0.49, 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.
Lewis S. Mills High School is ranked #273 out of 942 schools, which ranks it among the top 30% of public schools in Connecticut.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 40% CT state average), while 70-74% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Lewis S. Mills High School?
The graduation rate of Lewis S. Mills High School is 95%, which is higher than the Connecticut state average of 89%.
How many students attend Lewis S. Mills High School?
627 students attend Lewis S. Mills High School.
What is the racial composition of the student body?
67% of Lewis S. Mills High School students are White, 24% of students are Two or more races, 7% of students are Hispanic, 1% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Lewis S. Mills High School?
Lewis S. Mills High School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Lewis S. Mills High School offer ?
Lewis S. Mills High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Lewis S. Mills High School part of?
This school needs work, and with a newly hired superintendent, I hope that happens. It is falling behind in its cohort of other Farmington Valley School. Needs better commitment to social/emotional learning, higher standards for teaching and learning.
- Posted by Parent - Launi
59/1/2011
There are so many nice teachers and its a safe environment
- Posted by Student/Alumni - BAMJ1
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Quick Stats (2025)
Grades: 9-12
Enrollment: 627 students
Student:Teacher Ratio: 11:1
Minority Enrollment: 33%
Graduation Rate
: ≥95% (Top 20%)
Overall Testing Rank
: Top 30%
Math Proficiency
: 45-49% (Top 50%)
Reading Proficiency
: 70-74% (Top 20%)
Science Proficiency
: 55-59% (Top 50%)
Source: National Center for Education Statistics (NCES), CT Dept. of Education
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