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Alumni: what's one memory from Osborne High School that still sticks with you?
Community prompt from u/allk12. Replies below.
Enrollment
2,790
High
DISTRICT 2,124 · STATE 1,120
SCHOOL COMMUNITY·COBB COUNTY·NCES 130129000521
Osborne High School
2451 Favor Rd SW, Marietta, GA 30060 · (770) 437-5900 · Cobb County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL2,790 STUDENTS
C+
allk12 Grade
Scored higher than 35% of Georgia public high schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Georgia public high schools
Student : Teacher
15.7:1
178 FTE teachers
DISTRICT 16.9:1 · STATE 15.2:1
Free / Reduced Lunch
100%
2,790 students
DISTRICT 56% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 923 | 33% |
| Grade 10 | 682 | 24% |
| Grade 11 | 553 | 20% |
| Grade 12 | 632 | 23% |
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on published attendance-zone data from Cobb County. Zones change; confirm enrollment with the district.
Test scores
Georgia Milestones 2024-25 . % Proficient or DistinguishedMath
21.4%
GA avg 44.6% . +7.0pp since 2021
What this means: On the Georgia Milestones, Georgia's statewide test, about 21 of every 100 students at this school do math at grade level. The Georgia average is about 45 of 100. Math scores are up about 7 points since 2021.
Georgia Milestones results by year
| School year | Math |
|---|---|
| 2024-25 | 21.4% |
| 2023-24 | 26.8% |
| 2022-23 | 12.6% |
| 2021-22 | 14.4% |
% Proficient or Distinguished, all students and all tested grades.
Source: Georgia Milestones. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
23.1%
composite math + reading, all grades
Predicted
25.7%
based on GA schools with similar FRL share
Beats by
-2.6pp
below demographic expectation
What this means: About 23% of students here test proficient in math and reading, compared with the roughly 26% typical for Georgia schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Georgia's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Osborne High School
Osborne High School's state test result (23.1% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Osborne High School this school | 2,790 | 100.0% | 23.1% |
| Forest Park High School Forest Park | 1,711 | 100.0% | 21.4% |
| Meadowcreek High School Norcross | 2,609 | 85.5% | 20.8% |
| Southeast Whitfield County High School Dalton | 1,453 | 94.9% | 26.3% |
| Pebblebrook High School Mableton | 2,574 | 96.5% | 30.4% |
| Cross Keys High School Brookhaven | 1,748 | 100.0% | 32.3% |
Matched among Georgia high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Osborne High School ranks
Among high schools| Measure | This school | In Georgia | In Cobb County |
|---|---|---|---|
| State test proficiency ranked highest first | 23.1% | #315 of 411 | #17 of 17 |
| Math proficiency ranked highest first | 21.4% | #327 of 417 ▼ 58 | #17 of 17 ▼ 1 |
| Enrollment ranked largest first | 2,790 | #15 of 480 | #2 of 19 |
| Students per teacher ranked fewest first | 15.7:1 | #184 of 413 | #3 of 17 |
| Diversity index ranked most diverse first | 48.9% | #262 of 413 | #16 of 17 |
| Free and reduced lunch ranked highest share first | 100% | #25 of 425 | #1 of 17 |
| Enrollment change since 2017-18 ranked fastest growth first | +31.7% | #19 of 226 | #1 of 10 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
2,790
+351 (+14%) vs 2020
+163% since 1990-91, when it was 1,061
Student : Teacher
15.7:1
was 18.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 2,790 | 177.7 | 15.7:1 | 100% (2,790) |
| 2023-24 | 2,773 | 175 | 15.8:1 | 85% (2,362) |
| 2022-23 | 2,772 | 164.6 | 16.8:1 | 75% (2,072) |
| 2020-21 | 2,439 | 134 | 18.2:1 | 76% (1,852) |
| 2017-18 | 2,119 | 122.7 | 17.3:1 | 78% (1,660) |
| 2015-16 | 1,967 | 122 | 16.1:1 | 79% (1,553) |
| 2010-11 | 1,745 | 126 | 13.8:1 | 84% (1,464) |
| 2000-01 | 1,734 | 106 | 16.4:1 | 25% (425) |
| 1990-91 | 1,061 | 72 | 14.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Osborne High School.
Since 2017-18: students up 32% (2,119 to 2,790); teachers up 45% (122.7 to 177.7).
About Osborne High School
The public high school Osborne High School is located in Marietta, Georgia. Enrollment in 2024-25 was 2,790 students in grades 9 through 12. The average for high schools in Georgia is about 1,120 students, so this school is 149% bigger than average.
Cobb County (110 schools, 105,738 students) runs Osborne High School.
Roughly 67% of students at Osborne High School are Hispanic. Other reported shares: 26% Black, 4% White, and 2% multiracial. Cobb County's residents are about 15% Hispanic, 51 points below the school's share. The school's diversity index is 49%, meaning two students picked at random have a 49% chance of belonging to different racial or ethnic groups.
Osborne High School's 177.7 full-time-equivalent teachers put its ratio at 15.7:1. That is close to the 15.2:1 average for high schools in Georgia. Eligibility for subsidized school meals is 100%. The gap from the 53% average for public schools in Cobb County is 47 points.
Measured against Georgia public high schools, Osborne High School receives a C+. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
Given its share of students eligible for free or reduced-price lunch, Osborne High School would be expected to post about 25.7%. Its actual average proficiency rate on state tests is 23.1%.
Among Cobb County residents, the median household income is $102,738, roughly 51% of adults have a four-year degree or more, and the share of residents below the poverty line is 6%. Osborne High School is one of 129 public schools in the county.
Of nearby public schools, LaBelle Elementary School is the closest, at about 0.7 miles. Osborne High School is one of several public schools in the area, with at least 8 others within five miles. Nearby schools average 30.3% on proficiency, and Osborne High School is below that at 23.1%.
Locale data from NCES put Osborne High School in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).
Enrollment climbed 14% from its 2020-21 level of 2,439. The student-to-teacher ratio went down from 18.2:1 to 15.7:1.
Discussions about Osborne High School may include school events, clubs, and volunteer needs. Questions from prospective families are welcome too.
Cobb County at a glance
View full county profilePopulation
775,208
Census ACS
Median income
$102,738
Household, ACS
Bachelor's+
51%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
129
116,609 students
Quick facts
Related schools
Other schools in Cobb County
- Campbell High SchoolHigh · 3,085 students
- Walton High SchoolHigh · 2,705 students
- Pebblebrook High SchoolHigh · 2,574 students
- North Cobb High SchoolHigh · 2,463 students
- Wheeler High SchoolHigh · 2,401 students
- Hillgrove High SchoolHigh · 2,282 students
Other schools in Marietta
- Walton High SchoolHigh · 2,705 students
- Marietta High SchoolHigh · 2,526 students
- Wheeler High SchoolHigh · 2,401 students
- Lassiter High SchoolHigh · 2,005 students
- Pope High SchoolHigh · 1,793 students
- Sprayberry High SchoolHigh · 1,769 students
Nearby schools
- LaBelle Elementary School0.7 mi · 339
- Milford Elementary School0.7 mi · 389
- Birney Elementary School1.1 mi · 725
- Norton Park Elementary School1.2 mi · 643
- International Academy of Smyrna1.4 mi · 328
- Belmont Hills Elementary School1.7 mi · 267
Frequently asked questions
About Osborne High SchoolHow many students attend Osborne High School?
Osborne High School enrolls approximately 2,790 students in grades 09-12.
Is Osborne High School an elementary, middle, or high school?
Osborne High School is a high school covering grades 09-12.
How many students per teacher at Osborne High School?
Approximately 15.7:1 students per teacher at Osborne High School.
How diverse is Osborne High School?
Osborne High School reports a student body of 4% White, 67% Hispanic, 26% Black, 1% Asian, 2% Two or more.
Is Osborne High School public or private?
Osborne High School is a public K-12 school, overseen by Cobb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.