St Johns Classical Academy
Fleming Island, FL · High School · Grades -1-12
St Johns Classical Academy is a high school in Fleming Island, FL with 845 students enrolled and a 71% proficiency rate. Part of Clay. NCES data from the U.S. Department of Education.
St Johns Classical Academy is a high school in Fleming Island, FL with 845 students enrolled in grades -1-12. It is part of the Clay school district. That headcount is above the 800-student average for schools in the district.
On the latest EDFacts assessments, 71% of students reached grade-level proficiency in combined math and reading — a rate near the top of the national distribution. That is 28 points above the 43% average for the Clay school district. Against the 48% Florida statewide average, the school sits 23 points higher.
Over the last three reported years the district proficiency rate this school inherits has fallen by about 8 points. As a high school, it reports a 93% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 15.4 to 1, close to the U.S. average of about 16 to 1. A relatively low 1% of students qualify for free or reduced-price lunch. It operates as a charter school — publicly funded and tuition-free, under an authorizer-issued charter.
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About This School
St Johns Classical Academy is a high school (charter) located in Fleming Island, Florida. The school serves 845 students in grades -1-12. The student-to-teacher ratio is 15.4:1.
According to EDFacts assessment data, 71% of students meet grade-level proficiency standards in combined math and reading. The school reports a 93% graduation rate.
1% of students qualify for free or reduced-price lunch.
St Johns Classical Academy is part of the Clay in Florida.
How This School Compares
St Johns Classical Academy has 845 students enrolled, making it larger than the average school in Clay (800 students). Its 71% proficiency rate is 28 percentage points above the district average of 43%. Compared to the Florida state average of 48%, the school performs 23 points higher.
Frequently Asked Questions
St Johns Classical Academy has 845 students enrolled in grades -1-12. The student-to-teacher ratio is 15.4:1.
According to EDFacts data, 71% of students at St Johns Classical Academy meet grade-level proficiency standards in combined math and reading assessments.
St Johns Classical Academy has a 93% graduation rate, measuring the percentage of students who graduate within four years.
St Johns Classical Academy is part of the Clay in Fleming Island, Florida. 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.
Source: NCES Common Core of Data, 2026.