Cobb Reporter

There were 21,547 ninth grade students enrolled in Cobb County schools in the 2022-23 school year, 1.3% less than the previous year, according to reports from the Georgia Department of Education.

Osborne High School welcomed the largest number of ninth grade students among county schools, registering 1,885 students during the 2022-23 school year.

Within Cobb County schools, the highest student count was found in ninth grade, with the smallest class sizes seen in kindergarten.

Statewide, Cobb County ranked third in enrollment numbers, with a total of 230,525 students enrolled in the 2022-23 school year. It was also ranked third the year before.

As of 2024, Georgia has an average student-to-teacher ratio of approximately 15:1, which is better than the national average of 16:1. The state has its best student-to-teacher ratio of 14:1 in pre-kindergarten and middle school grades, while high school has an average ratio of 17:1.

School name	# of 9th Grade Students Enrolled	% of Student Body	Total Enrollment
Osborne High School	1,885	34.8%	5,414
Campbell High School	1,851	32.1%	5,774
Pebblebrook High School	1,662	33.7%	4,936
Marietta High School	1,506	28.8%	5,226
South Cobb High School	1,370	33%	4,152
Wheeler High School	1,366	29.1%	4,687
North Cobb High School	1,343	26.6%	5,045
Walton High School	1,316	25%	5,259
McEachern High School	1,298	28.4%	4,574
Hillgrove High School	1,162	24.7%	4,713
Harrison High School	1,046	24.8%	4,221
Lassiter High School	1,016	26.4%	3,845
Sprayberry High School	979	27.2%	3,599
Pope High School	903	25%	3,615
Kennesaw Mountain High School	867	24.3%	3,573
Kell High School	846	28.3%	2,989
Allatoona High School	831	24.6%	3,377
Cobb Horizon High School	275	12.6%	2,176
Devereux Ackerman Academy	25	42.4%	59