Serving 308 students in grades Prekindergarten-6, Crystal Lake School ranks in the top 20% of all schools in Connecticut for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher 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 23% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-6
- Enrollment: 308 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 23%
- Overall Testing Rank: Top 20% in CT
- Math Proficiency: 65-69% (Top 20%)
- Reading Proficiency: 75-79% (Top 10%)
- Science Proficiency: 60-69% (Top 30%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Crystal Lake School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
School Overview
Crystal Lake School's student population of 308 students has stayed relatively flat over five school years.
The teacher population of 21 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-6
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
308 students
Total Classroom Teachers
21 teachers
School Calendar
Last Day of School
Sat. Jun 13, 2026
School Rankings
Crystal Lake School ranks within the top 20% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Crystal Lake School is 0.39, 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
#111 out of 939 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
65-69%
41%
Reading/Language Arts Test Scores (% Proficient)
75-79%
50%
Science Test Scores (% Proficient)
60-69%
47%
Student-Teacher Ratio
15:1
12:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
10%
32%
Black
4%
12%
White
77%
46%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Eligible for Free Lunch
22%
38%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Crystal Lake School's ranking?
Crystal Lake School is ranked #111 out of 939 schools, which ranks it among the top 20% of public schools in Connecticut.
What schools are Crystal Lake School often compared to?
Crystal Lake Schoolis often viewed alongside schools like Windermere School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 41% CT state average), while 75-79% of students have achieved reading proficiency (compared to the 50% CT state average).
How many students attend Crystal Lake School?
308 students attend Crystal Lake School.
What is the racial composition of the student body?
77% of Crystal Lake School students are White, 10% of students are Hispanic, 6% of students are Two or more races, 4% of students are Black, and 3% of students are Asian.
What is the student-teacher ratio of Crystal Lake School?
Crystal Lake School has a student ration of 15:1, which is higher than the Connecticut state average of 12:1.
What grades does Crystal Lake School offer ?
Crystal Lake School offers enrollment in grades Prekindergarten-6 (Supplemental Virtual).
What school district is Crystal Lake School part of?
Crystal Lake School is part of Ellington School District.
In what neighborhood is Crystal Lake School located?
Crystal Lake School is located in the Crystal Lake neighborhood of Ellington, CT.
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