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High · Regular · Grades 9 to 12

Osborne High School, Marietta, GA

CEP schoolOsborne High School is a public high school in Marietta, part of Cobb County Public Schools. It enrolled 2,790 students in 2024-25, with 15.8 students per full-time teacher.

Enrollment and teachers

Students
2,790
Teachers (FTE)
177.0
Students per teacher
15.8
Grades
9 to 12

This school's ratio is 1.7 higher than the district figure of 14.1. The Georgia average across schools is 14.4. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school15.8
District14.1
Georgia14.4
United States15.3

School details

Address
2451 Favor Rd SW, Marietta, GA 30060
Phone
(770)437-5900
District
Cobb County Public Schools
County
Cobb County
Level
High
Type
Regular
Status
Open
Charter
No
Virtual
No
Locale
Suburb: Large
NCES school ID
130129000521
Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.
Free lunch
2,790
Reduced-price lunch
0
Free or reduced-price lunch
2,790100.0% of enrollment.
Direct certification
714Students certified through programs such as SNAP, without an application.
Community Eligibility Provision
Yes (CEP school)

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Other high schools in Cobb County Public Schools

High schools elsewhere in Marietta

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.