The school is located in unincorporated Cobb County with a Marietta address, just northwest of Atlanta.

The school was founded in 2002 and serves students in the Cobb County area.

Carlton J. Kell High School was established in 2002.

It was named after a prominent coach in the Cobb County School District.

[2] The demographic breakdown of the 1,568 students enrolled for the 2012–2013 school year was: Additionally, 32.6% of the enrolled students qualified for free or reduced lunch.