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Average

#1464 of 2,268 schools in GA

Osborne High School

High School · Cobb County

2451 Favor Rd SW, Marietta, GA 30060

Enrollment

2,773

Student-Teacher

15.8:1

Score

5.7

Grades

9th – 12th

Updated 2022-23

How this school compares

In Marietta

#52 of 58

public schools

Georgia high schools

#222 of 443

In district

#90 of 110

Cobb County

Academic growth

8.8 / 10

Exceptional

About Osborne High School

Osborne High School serves 2,773 students in grades 9 through 12 in Marietta, Georgia, operating as a large comprehensive public high school in Cobb County. With 175 full-time equivalent teachers, the school maintains a student-teacher ratio of 15.8:1, providing reasonable class sizes for a school of this magnitude. Academically, Osborne High School has room for growth, with 28% of students demonstrating proficiency in English Language Arts and 25% achieving proficiency in mathematics across grade levels.

The school ranks in the 21st percentile among Georgia high schools, positioned at #1793 out of 2,271 schools statewide, indicating opportunities for continued academic development and student support. The school draws from a diverse suburban community in the 30060 zip code area, where the median household income is $58,782 and the median home value reaches $257,400. About 27% of area residents hold bachelor's degrees or higher, while the local poverty rate stands at 12.7%.

This community of nearly 40,000 residents provides a substantial base for the school's large enrollment. Located on Favor Road in Marietta's large suburban setting, Osborne High School serves as a significant educational institution within Cobb County's extensive public school system, offering comprehensive high school programming to students from this established suburban community.

What's said publicly about Osborne High School

Sources: School's website Wikipedia

Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.

Robert L. Osborne High School is a public high school located in unincorporated Cobb County, Georgia, with a Marietta postal address 2 . It holds the distinction of being the oldest high school in Cobb County 2 . For the 2024–2025 school year, the school reported an enrollment of 2,790 students 2 . The school's mascot is the cardinal, and its colors are red and white 2 . The school participates in the Cobb County School District system, which includes Title I designation 1 . Recent activities include the induction of a third class into the Osborne Athletic Hall of Fame 1 . The school community engages in events such as the Cardinal Frenzy Fiesta, which supports the American Heart Association 1 . Additionally, the school has partnered with NAPA and CITA to provide new opportunities for students 1 .
Sources (2)
  1. www.cobbk12.org
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

Osborne High School is a large school with 2,773 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.8Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+0.72 pts/yr
Data Period2019–2024
TrendStable
Academics5.3Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency25.3%
Reading/ELA Proficiency28.2%
Math vs. State Avg-16.8 pts
Reading vs. State Avg-13.6 pts
Overall Proficiency27%
Expected (poverty-adj.)29%
vs. Expected-1.9 pts
Adjusted Percentile35th
College Readiness4.4Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation11.2%
IB ProgramNo
Resources & Environment4.2Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.8:1
Per-Pupil Spending$13,203

Osborne High School — Students at Osborne High School score 27% proficient, which is below what's typical for similar communities (expected: 29%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

85.2%

Students qualifying for federal meal assistance

Test Scores GA GA (2023-24)

Math Proficiency 16.6%
School
State
42.1%
ELA Proficiency 24.6%
School
State
41.8%

Based on 8 test records from GA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
17%
ELA
31%
2021*
Math
9%
ELA
12%
2022
Math
15%
ELA
27%
2024
Math
25.3%
ELA
28.2%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.8/10.

How Osborne High School Compares

See how Osborne High School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.7/10
36th percentile in GA
Academic
5.3/10
5.3/10
Growth
8.8/10
Above average
Environment
4.2/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
85%
Teaching Staff
16:1 student-teacher ratio
175 teachers

Location

2451 Favor Rd SW, Marietta, GA 30060

Nearby Alternatives

Families considering Osborne High School may also want to explore other high schools in the area. Smyrna Elementary School (rated 8.6/10, 2.5 miles away, in nearby Smyrna), which scores notably higher. Another option is Birney Elementary School (rated 8.4/10, 1.1 miles away), which scores notably higher. Additionally, Dunleith Elementary School (rated 7.8/10, 1.8 miles away), which scores notably higher. For more schools in Marietta, see our Marietta schools guide .

Nearby Schools

20 within 2.5 mi
School Distance Rating
IN HIS IMAGE CHRISTIAN ACADEMY Marietta 0.7 mi
LaBelle Elementary School Marietta 0.6 mi 5.1
Milford Elementary School Marietta 0.7 mi 5.5
WEST COBB PREPARATORY ACADEMY Marietta 0.8 mi
Birney Elementary School Marietta 1.1 mi 8.4
Norton Park Elementary School Smyrna 1.2 mi 6.3
International Academy of Smyrna Smyrna 1.4 mi 6.2
Dunleith Elementary School Marietta 1.8 mi 7.8
COVERED BRIDGE MONTESSORI SCHOOL Smyrna 1.8 mi
Marietta Regional Youth Detention Center Marietta 1.8 mi
Belmont Hills Elementary School Smyrna 1.7 mi 7.3
Pearson Middle School Marietta 2.0 mi 6.8
Fair Oaks Elementary School Marietta 2.0 mi 7.2
THE STONEHAVEN SCHOOL Marietta 2.1 mi 5.7
Green Acres Elementary School Smyrna 1.9 mi 4.5
PRIMROSE SCHOOL OF SMYRNA WEST Smyrna 2.0 mi
Russell Elementary School Smyrna 2.4 mi 5.5
CONNECTION POINTE CHRISTIAN ACADEMY Austell 2.5 mi 5.9
Campbell High School Smyrna 2.3 mi 6.2
Smyrna Elementary School Smyrna 2.5 mi 8.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 30060 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$62,180

Median Home Value

$282,200

Median Rent

$1,344/mo

Population

39,313

College Educated

28.7%

Homeownership

47.8%

Avg Commute

25 min

Poverty Rate

12.5%

Median Age

30.7

Community Profile

The community surrounding Osborne High School has a median household income of $62,180. It is an area where 29% of adults hold a bachelor's degree or higher. The median home value in the area is $282,200, with a median rent of $1,344/month. The area has a poverty rate of 12.5%. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Foothills Regional High School Athens, GA 5.7
McEachern High School Powder Springs, GA 5.7
Alpharetta High School Alpharetta, GA 5.8
Apalachee High School Winder, GA 5.8
Centennial High School Roswell, GA 5.8
Creekside High School Fairburn, GA 5.8

Frequently Asked Questions

Common questions about Osborne High School

What grades does Osborne High School serve?

Osborne High School serves students in grades 9th through 12th.

How many students attend Osborne High School?

Osborne High School has an enrollment of approximately 2,773 students.

What is the student-teacher ratio at Osborne High School?

The student-teacher ratio at Osborne High School is 15.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Osborne High School rank in GA?

Osborne High School is ranked #1464 out of 2,268 schools in GA.

What is Osborne High School's MySchoolScout rating?

Osborne High School has a composite rating of 5.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Osborne High School?

Based on the most recent state assessment data, Osborne High School has 16.6% math proficiency and 24.6% reading/ELA proficiency.

Is Osborne High School a charter school?

No, Osborne High School is not a charter school. It is a traditional public school operated by the local school district.

Is Osborne High School a Title I school?

No, Osborne High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Osborne High School?

85.2% of students at Osborne High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
14 Car-Dependent
Bike Score
17 Somewhat Bikeable
City Safety
High (2,114/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Marietta). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,773
Student-Teacher Ratio
15.8:1
Teachers (FTE)
175
Free/Reduced Lunch
85.2%
Type
regular
Setting
Large Suburb
County
Cobb County
Data Year
2023–2024

District

Cobb County
District Enrollment
106,358
Schools in District
110
Per-Pupil Spending
$14,680
District Rank
#90 of 110

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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