Serving 648 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 35% of the student body (majority Hispanic), which is lower than the Connecticut state average of 52% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 648 students
- Student:Teacher Ratio: 11:1
- Minority Enrollment: 35%
- 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
Top Rankings
Lewis S. Mills High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Lewis S. Mills High School's student population of 648 students has declined by 14% over five school years.
The teacher population of 59 teachers has grown by 9% over five school years.
School Type
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
648 students
Gender %
Total Classroom Teachers
59 teachers
Students by Grade
School Rankings
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 0.51, which is less than the diversity score at state average of 0.67. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#273 out of 942 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
45-49%
40%
Reading/Language Arts Test Scores (% Proficient)
70-74%
50%
Science Test Scores (% Proficient)
55-59%
47%
Student : Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
1%
5%
Hispanic
7%
30%
Black
1%
12%
White
65%
48%
Hawaiian
n/a
n/a
Two or more races
26%
5%
All Ethnic Groups
Graduation Rate
≥95%
89%
Eligible for Free Lunch
9%
36%
Eligible for Reduced Lunch
3%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Lewis S. Mills High School's ranking?
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?
648 students attend Lewis S. Mills High School.
What is the racial composition of the student body?
65% of Lewis S. Mills High School students are White, 26% 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?
Lewis S. Mills High School is part of Regional School District 10.
School Reviews
3 9/23/2020
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.
5 9/1/2011
There are so many nice teachers and its a safe environment
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