Serving 371 students in grades Kindergarten-5, Mill Hill School ranks in the top 5% of all schools in Connecticut for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 75-79% (which is higher than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 80-84% (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 20% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 371 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 20%
- Overall Testing Rank: Top 5% in CT
- Math Proficiency: 75-79% (Top 10%)
- Reading Proficiency: 80-84% (Top 5%)
- Science Proficiency: 60-69% (Top 30%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Mill Hill School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
School Overview
Mill Hill School's student population of 371 students has stayed relatively flat over five school years.
The teacher population of 33 teachers has grown by 17% over five school years.
Grades Offered
Grades Kindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
371 students
Total Classroom Teachers
33 teachers
Colors
Navy Blue and Gold
Average Class Size
30 students
School Rankings
Mill Hill School ranks within the top 5% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Mill Hill School is 0.35, 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.
Overall Testing Rank
#38 out of 939 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
75-79%
41%
Reading/Language Arts Test Scores (% Proficient)
80-84%
50%
Science Test Scores (% Proficient)
60-69%
47%
Student-Teacher Ratio
11:1
12:1
Asian
5%
5%
Hispanic
8%
32%
Black
1%
12%
White
80%
46%
Two or more races
6%
5%
All Ethnic Groups
Eligible for Free Lunch
10%
38%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Mill Hill School's ranking?
Mill Hill School is ranked #38 out of 939 schools, which ranks it among the top 5% of public schools in Connecticut.
What percent of students have achieved state testing proficiency in math and reading?
75-79% of students have achieved math proficiency (compared to the 41% CT state average), while 80-84% of students have achieved reading proficiency (compared to the 50% CT state average).
How many students attend Mill Hill School?
371 students attend Mill Hill School.
What is the racial composition of the student body?
80% of Mill Hill School students are White, 8% of students are Hispanic, 6% of students are Two or more races, 5% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Mill Hill School?
Mill Hill School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Mill Hill School offer ?
Mill Hill School offers enrollment in grades Kindergarten-5 (Supplemental Virtual).
What school district is Mill Hill School part of?
Mill Hill School is part of Fairfield School District.
School Calendar
View the Mill Hill School yearly calendar below. Note key dates such as:
Event
Date
First Day of School!
September 01, 2026 (Tuesday)
Labor Day, School Closed
September 07, 2026 (Monday)
Yom Kippur, School Closed
September 21, 2026 (Monday)
School Reviews
3 10/10/2025
Both my sons went and all i can say is that theres no better school
Review Mill Hill School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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