Darien High School
Darien, CT · High School · Grades 9-12
Darien High School is a high school in Darien, CT with 1,415 students enrolled and a 67% proficiency rate. Part of Darien School District. NCES data from the U.S. Department of Education.
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About This School
Darien High School is a high school located in Darien, Connecticut. The school serves 1,415 students in grades 9-12. The student-to-teacher ratio is 11.4:1.
According to EDFacts assessment data, 67% of students meet grade-level proficiency standards in combined math and reading. The school reports a 85% graduation rate.
2% of students qualify for free or reduced-price lunch.
Darien High School is part of the Darien School District in Connecticut.
How This School Compares
Darien High School has 1,415 students enrolled, making it larger than the average school in Darien School District (668 students). Its 67% proficiency rate is 1 percentage points above the district average of 67%. Compared to the Connecticut state average of 53%, the school performs 14 points higher. With a 11.4:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Darien High School has 1,415 students enrolled in grades 9-12. The student-to-teacher ratio is 11.4:1.
According to EDFacts data, 67% of students at Darien High School meet grade-level proficiency standards in combined math and reading assessments.
Darien High School has a 85% graduation rate, measuring the percentage of students who graduate within four years.
Darien High School is part of the Darien School District in Darien, 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.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
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.