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Kell High School

4770 Lee Waters Rd, Marietta, GA 30066

BSchola Grade
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Grades
9–12
High
Students
1,587
Enrolled 2024–25
Students per teacher
17.2 : 1
Full-time teachers
District
Cobb County
Cobb County

Schola Grade B · Above average

Letter grade (A–F) · compared with 438 Georgia high schools · How we grade
Test scores50% proficient in math & reading
82ndpercentile
Equity28% of low-income students proficient
59thpercentile
Attendance27% chronically absent
53rdpercentile
Graduation rate94% graduate in 4 years
72ndpercentile
College readinessAt least 26% take AP, IB or dual-enrollment courses
75thpercentile
Class size17.2 students per teacher
27thpercentile

Percentiles compare this school with other Georgia high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Kell High School

Kell High School is a public high school in Marietta, Georgia, serving grades 9–12. It is part of Cobb County. The school is located in a large suburb in Cobb County.

In the 2024–25 school year, 1,587 students were enrolled, with about 17.2 students for every full-time teacher. That ratio is larger than the typical Georgia high school (15.5 students per teacher). Its Schola Grade is B (above average), compared with 438 Georgia high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

4770 Lee Waters Rd
Marietta, GA 30066
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,587 students
Students per teacher
17.2 to 1
AP courses offered
28
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Cobb County
County
Cobb County
NCES school ID
130129002526

Schools near Kell High School

All 83 schools in Marietta →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.