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Public high school · Cobb County · Marietta, Georgia

Osborne High School

Osborne High School rates 3.9, below most Cobb County high schools, whose rated median is 6.5.

High schools, 1 to 10This campus against public high schools around it that are rated on verified state test data.
3.9this school

3.9 on a one-to-ten scale; the Cobb County median is 6.5.

#2,156 of 2,270 schools in Georgia · Cobb County: 17 high schools rated, median 6.5

The brief

A Cobb County high school where students score 6 points below what's typical for similar communities.

It ranks 2,156 of 2,270 schools in Georgia and 108 of 110 in Cobb County.

Osborne High School is listed in Cobb County, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math20%25 points below the Georgia average of 45%731 students tested · 2025 GA
Reading25%16 points below the Georgia average of 41%639 students tested · 2025 GA
Proficiency has held near 23% across the 2-year record (2024–2025).2025 GA; 32 test records from GA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
3.6
25% of the rating
Academics
4.2
25% of the rating
College Readiness
4.5
30% of the rating
Resources & Environment
3.2
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 29% (multi-year average, 2009-2025) · reading/ELA 44% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 GA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 GA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 GA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 GA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 30060; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our dataHow we calculate scores

The neighborhood

Where it sits, and what the area looks like.
Osborne High School and the 20 nearest high schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

Open the Atlanta school map to see school quality against home prices across the metro.

The area

Median income
$62,180
Median home value
$282,200
Median rent
$1,344/mo
College educated
28.7%
Homeownership
47.8%
Poverty rate
12.5%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 30060; this is area context, not an attendance boundary.

Getting around

Walk Score
14
Car-Dependent
Bike Score
17
Somewhat Bikeable
City reported crime
1,825/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Marietta. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Marietta), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
3 AP courses
11.2% participation · state average 3 AP courses · CRDC via Urban Institute · SY 2021–22
Athletics
23 sports
10 boys' · 13 girls' · 29 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
5 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22
Gifted and talented
Available
A program for qualifying students · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
85.2%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Campbell High School2.3 mi
    7.0Compare →
  2. Marietta High School4.0 mi
    6.4Compare →
  3. South Cobb High School4.7 mi
    4.6Compare →
  4. Osborne High Schoolthis school
    3.9
  5. Cobb Horizon High School4.9 mi
    3.4Compare →
  6. George W. Hartmann Center4.7 mi
    not ratedCompare →
  7. Marietta Regional Youth Detention Center1.8 mi
    not ratedCompare →
Six grade-compatible schools using the same rating model sit within 5 miles, and three rate higher than Osborne High School among the rated peers.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

The public record

What's said publicly about Osborne High School

Sources:School's websiteWikipedia

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

Questions families ask

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 ranks #2,156 of 2,270 schools in GA.

What is Osborne High School's MySchoolScout rating?

Osborne High School has a current MySchoolScout rating of 3.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Osborne High School?

Based on loaded state assessment records, Osborne High School has 29% math proficiency (multi-year average, 2009-2025) and 44% reading/ELA proficiency (multi-year average, 2009-2025).

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.

School facts

Grades
9th – 12th
Enrollment
2,773
Student-teacher ratio
15.8:1
Teachers (FTE)
175
Type
Regular
Title I
No
Setting
Large Suburb
County
Cobb County
Phone
(770) 437-5900
4-year graduation
74.0%
Class of 2023
Rank in district
#108 of 110
Schools in district
110
District spending per student
$14,680
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
9.1%
Census SAIPE · 2024
Area population (ZIP 30060)
39,313
Area average commute
25 min
Area median age
30.7

NCES Common Core of Data (CCD) (SY 2023–24).

Sources and official links

Keep exploring

Related reading

Data from NCES Common Core of Data, Georgia Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.