Crystal Lake School
Ellington, CT · Middle School · Grades -1-6
Crystal Lake School is a middle school in Ellington, CT with 307 students enrolled and a 63% proficiency rate. Part of Ellington School District. NCES data from the U.S. Department of Education.
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About This School
Crystal Lake School is a middle school located in Ellington, Connecticut. The school serves 307 students in grades -1-6. The student-to-teacher ratio is 13.3:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading.
17% of students qualify for free or reduced-price lunch.
Crystal Lake School is part of the Ellington School District in Connecticut.
How This School Compares
Crystal Lake School has 307 students enrolled, making it smaller than the average school in Ellington School District (510 students). Its 63% proficiency rate is 2 percentage points below the district average of 65%. Compared to the Connecticut state average of 53%, the school performs 10 points higher. With a 13.3:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Crystal Lake School has 307 students enrolled in grades -1-6. The student-to-teacher ratio is 13.3:1.
According to EDFacts data, 63% of students at Crystal Lake School meet grade-level proficiency standards in combined math and reading assessments.
Crystal Lake School is part of the Ellington School District in Ellington, Connecticut. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.