George W. Hartmann Center

George W. Hartmann Center is one of the very small secondary schools in Marietta, Georgia, operated by Marietta City, with 4 students on its rolls from grades 6 through 12. Enrollment runs roughly 100% smaller than the state mean of about 1,120.

Marietta City comprises 13 schools with combined enrollment of 8,664 students; George W. Hartmann Center is among them.

In terms of who attends, George W. Hartmann Center records that 75% of the student body identifies as Hispanic. Other groups include 25% White. That is considerably more Hispanic than the county at large, where the share is closer to 15%.

Looking at school resources, On paper, George W. Hartmann Center has 1 full-time-equivalent teachers, translating to a class-load average of around 4.0:1. The state averages around 15.2:1, so this campus is tighter than the state norm typical.

In the surrounding community, community-level numbers for Cobb County indicate median household earnings sit near $102,738, 51% of adults hold a bachelor's degree or higher, and the poverty rate sits near 6%. George W. Hartmann Center is one of 129 public schools in Cobb County (combined enrollment of about 116,609 students).

Nearest neighbor: Park Street Elementary School, around 0.3 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius.

George W. Hartmann Center operates from a city-core location.

Looking at the recent track record. Looking back 7 years, enrollment at George W. Hartmann Center has shrank 64%, going from 11 students in 2018 to 4 in 2025. Over the same period, the Hispanic share expanded from 18% to 75%. The student-to-teacher ratio fell from 11.0:1 in 2018 to 4.0:1 today.

In the discussion threads here, the feed for George W. Hartmann Center typically covers science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.