Walton High School
Marietta, GA · High School · Grades 9-12
Walton High School is a high school in Marietta, GA with 2,646 students enrolled and a 61% proficiency rate. Part of Cobb County. NCES data from the U.S. Department of Education.
Walton High School is a high school in Marietta, GA that enrolls 2,646 students in grades 9-12, putting it among the larger public campuses in the Cobb County school district. That headcount is above the 970-student average for schools in the district.
EDFacts assessment data puts 61% of students at or above grade level in combined math and reading, a little above the national midpoint where roughly half of tested students clear the bar. That is 9 points above the 53% average for the Cobb County school district. Against the 44% Georgia statewide average, the school sits 17 points higher.
Over the last three reported years the district proficiency rate this school inherits has fallen by about 5 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 19.3 to 1, above the U.S. average of roughly 16 to 1. A relatively low 4% 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
Walton High School is a high school (charter) located in Marietta, Georgia. The school serves 2,646 students in grades 9-12. The student-to-teacher ratio is 19.3:1.
According to EDFacts assessment data, 61% of students meet grade-level proficiency standards in combined math and reading. The school reports a 93% graduation rate.
4% of students qualify for free or reduced-price lunch.
Walton High School is part of the Cobb County in Georgia.
How This School Compares
Walton High School has 2,646 students enrolled, making it larger than the average school in Cobb County (970 students). Its 61% proficiency rate is 9 percentage points above the district average of 53%. Compared to the Georgia state average of 44%, the school performs 17 points higher.
Frequently Asked Questions
Walton High School has 2,646 students enrolled in grades 9-12. The student-to-teacher ratio is 19.3:1.
According to EDFacts data, 61% of students at Walton High School meet grade-level proficiency standards in combined math and reading assessments.
Walton High School has a 93% graduation rate, measuring the percentage of students who graduate within four years.
Walton High School is part of the Cobb County in Marietta, Georgia. 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.