St. Charles High
St Charles, MO · High School · Grades 9-12
St. Charles High is a high school in St Charles, MO with 817 students enrolled and a 62% proficiency rate. Part of St. Charles R-Vi. NCES data from the U.S. Department of Education.
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About This School
St. Charles High is a high school located in St Charles, Missouri. The school serves 817 students in grades 9-12. The student-to-teacher ratio is 11.2:1.
According to EDFacts assessment data, 62% of students meet grade-level proficiency standards in combined math and reading. The school reports a 80% graduation rate.
43% of students qualify for free or reduced-price lunch.
St. Charles High is part of the St. Charles R-Vi in Missouri. The school receives Title I federal funding.
How This School Compares
St. Charles High has 817 students enrolled, making it larger than the average school in St. Charles R-Vi (440 students). Its 62% proficiency rate is 9 percentage points above the district average of 53%. Compared to the Missouri state average of 49%, the school performs 14 points higher. With a 11.2:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
St. Charles High has 817 students enrolled in grades 9-12. The student-to-teacher ratio is 11.2:1.
According to EDFacts data, 62% of students at St. Charles High meet grade-level proficiency standards in combined math and reading assessments.
St. Charles High has a 80% graduation rate, measuring the percentage of students who graduate within four years.
St. Charles High is part of the St. Charles R-Vi in St Charles, Missouri. 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.
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.