Capital High School
Helena, MT · High School · Grades 9-12
Capital High School is a high school in Helena, MT with 1,427 students enrolled and a 57% proficiency rate. Part of Helena H S. NCES data from the U.S. Department of Education.
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About This School
Capital High School is a high school located in Helena, Montana. The school serves 1,427 students in grades 9-12. The student-to-teacher ratio is 16.2:1.
According to EDFacts assessment data, 57% of students meet grade-level proficiency standards in combined math and reading. The school reports a 85% graduation rate.
Capital High School is part of the Helena H S in Montana.
How This School Compares
Capital High School has 1,427 students enrolled, making it larger than the average school in Helena H S (1,257 students). Its 57% proficiency rate is 3 percentage points above the district average of 53%. Compared to the Montana state average of 50%, the school performs 7 points higher.
Frequently Asked Questions
Capital High School has 1,427 students enrolled in grades 9-12. The student-to-teacher ratio is 16.2:1.
According to EDFacts data, 57% of students at Capital High School meet grade-level proficiency standards in combined math and reading assessments.
Capital High School has a 85% graduation rate, measuring the percentage of students who graduate within four years.
Capital High School is part of the Helena H S in Helena, Montana. 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.
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.