Windsor High School
Windsor, CT · High School · Grades 9-12
Windsor High School is a high school in Windsor, CT with 1,100 students enrolled and a 61% proficiency rate. Part of Windsor School District. NCES data from the U.S. Department of Education.
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About This School
Windsor High School is a high school located in Windsor, Connecticut. The school serves 1,100 students in grades 9-12. The student-to-teacher ratio is 9.3:1.
According to EDFacts assessment data, 61% of students meet grade-level proficiency standards in combined math and reading. The school reports a 76% graduation rate.
39% of students qualify for free or reduced-price lunch.
Windsor High School is part of the Windsor School District in Connecticut.
How This School Compares
Windsor High School has 1,100 students enrolled, making it larger than the average school in Windsor School District (542 students). Its 61% proficiency rate is 6 percentage points above the district average of 56%. Compared to the Connecticut state average of 53%, the school performs 8 points higher. With a 9.3:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Windsor High School has 1,100 students enrolled in grades 9-12. The student-to-teacher ratio is 9.3:1.
According to EDFacts data, 61% of students at Windsor High School meet grade-level proficiency standards in combined math and reading assessments.
Windsor High School has a 76% graduation rate, measuring the percentage of students who graduate within four years.
Windsor High School is part of the Windsor School District in Windsor, 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.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
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.