Henry Abbott Technical High School
Danbury, CT · High School · Grades 9-12
Henry Abbott Technical High School is a high school in Danbury, CT with 702 students enrolled and a 58% proficiency rate. Part of Connecticut Technical Education and Career System. NCES data from the U.S. Department of Education.
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About This School
Henry Abbott Technical High School is a high school located in Danbury, Connecticut. The school serves 702 students in grades 9-12. The student-to-teacher ratio is 12.8:1.
According to EDFacts assessment data, 58% of students meet grade-level proficiency standards in combined math and reading. The school reports a 79% graduation rate.
34% of students qualify for free or reduced-price lunch.
Henry Abbott Technical High School is part of the Connecticut Technical Education and Career System in Connecticut.
How This School Compares
Henry Abbott Technical High School has 702 students enrolled, making it larger than the average school in Connecticut Technical Education and Career System (658 students). Its 58% proficiency rate is 7 percentage points above the district average of 50%. Compared to the Connecticut state average of 53%, the school performs 4 points higher. With a 12.8:1 student-teacher ratio, it offers smaller class sizes than the national average.
Other Schools in Connecticut Technical Education and Career System
Frequently Asked Questions
Henry Abbott Technical High School has 702 students enrolled in grades 9-12. The student-to-teacher ratio is 12.8:1.
According to EDFacts data, 58% of students at Henry Abbott Technical High School meet grade-level proficiency standards in combined math and reading assessments.
Henry Abbott Technical High School has a 79% graduation rate, measuring the percentage of students who graduate within four years.
Henry Abbott Technical High School is part of the Connecticut Technical Education and Career System in Danbury, 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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.