Serving 2,790 students in grades 9-12, Osborne High School ranks in the bottom 50% of all schools in Georgia for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15% (which is lower than the Georgia state average of 39%). The percentage of students achieving proficiency in reading/language arts is 27% (which is lower than the Georgia state average of 40%).
The student-teacher ratio of 16:1 is higher than the Georgia state level of 14:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the Georgia state average of 66% (majority Black and Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 2,790 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 96%
- Graduation Rate: 74% (Btm 50% in GA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15% (Btm 50%)
- Reading Proficiency: 27% (Btm 50%)
- Science Proficiency: 29% (Btm 50%)
- Attendance Zone: Osborne High School serves the southern part of Marietta, GA, covering an area of approximately 15.9 square miles. Families typically have a drive of 5 to 10 minutes to the school, with an average distance of 2.3 miles to the edge of the attendance zone, reaching up to 4.4 miles at its furthest point.
- Source: National Center for Education Statistics (NCES), GA Dept. of Education
School Overview
Osborne High School's student population of 2,790 students has grown by 14% over five school years.
The teacher population of 178 teachers has grown by 31% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
2,790 students
Showing 2016–2025. View full 39-year historical data
Total Classroom Teachers
178 teachers
Showing 2016–2025. View full 39-year historical data
Year Founded
1892
School Calendar
School Rankings
Osborne High School ranks within the bottom 50% of all 2,192 schools in Georgia (based off of combined math and reading proficiency testing data).
The diversity score of Osborne High School is 0.49, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1718 out of 2192 schools
(Bottom 50%)
(Bottom 50%)
Showing 2013–2023. View full 14-year historical data
Math Test Scores (% Proficient)
15%
39%
Showing 2013–2023. View full 14-year historical data
Reading/Language Arts Test Scores (% Proficient)
27%
40%
Showing 2012–2022. View full 13-year historical data
Science Test Scores (% Proficient)
29%
40%
Student-Teacher Ratio
16:1
14:1
Showing 2016–2025. View full 39-year historical data
Asian
1%
5%
Showing 2016–2025. View full 32-year historical data
Hispanic
67%
20%
Showing 2016–2025. View full 32-year historical data
Black
26%
36%
Showing 2016–2025. View full 32-year historical data
White
4%
34%
Showing 2016–2025. View full 32-year historical data
Two or more races
2%
5%
Showing 2016–2025. View full 15-year historical data
All Ethnic Groups
Showing 2016–2025. View full 32-year historical data
Graduation Rate
74%
84.4%
Showing 2014–2023. View full 13-year historical data
Chronically Absent Students
(22-23)38.3%
26.2%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
100%
63%
Showing 2015–2025. View full 38-year historical data
Eligible for Reduced Lunch
10%
5%
Showing 2014–2024. View full 26-year historical data
School Statewide Testing
School District Name
Sports
School Mascot
Cardinal
Source: National Center for Education Statistics (NCES), GA Dept. of Education
Frequently Asked Questions
What is Osborne High School's ranking?
Osborne High School is ranked #1718 out of 2,192 schools, which ranks it among the bottom 50% of public schools in Georgia.
What schools are Osborne High School often compared to?
Osborne High Schoolis often viewed alongside schools like South Cobb High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15% of students have achieved math proficiency (compared to the 39% GA state average), while 27% of students have achieved reading proficiency (compared to the 40% GA state average).
What is the graduation rate of Osborne High School?
The graduation rate of Osborne High School is 74%, which is lower than the Georgia state average of 84.4%.
How many students attend Osborne High School?
2,790 students attend Osborne High School.
What is the racial composition of the student body?
67% of Osborne High School students are Hispanic, 26% of students are Black, 4% of students are White, 2% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Osborne High School?
Osborne High School has a student ration of 16:1, which is higher than the Georgia state average of 14:1.
What grades does Osborne High School offer ?
Osborne High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Osborne High School part of?
Osborne High School is part of Cobb County School District.
School Reviews
Review Osborne High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Is Your Child's School Day Too Structured?
Discover where free time disappears during your child's school day, how to evaluate lunch, recess, and classroom schedules, and what parents can do when breaks become structured activities.
When Your Child's Best Friend Is in Another Class
Discover how to help your child when their best friend is assigned to another classroom, including school placement policies, maintaining friendships, building connections, and knowing when to request help.
Should Your Child Repeat a Grade or Move Ahead?
Before agreeing to grade retention, learn what evidence to request, how to review school policies, explore alternatives, understand parental rights, and secure an effective academic support plan for your child.
