Can I use Cobb County's school score to choose a house?

No. Use the Cobb County school score as a first-pass county screen, then verify the exact district, attendance boundary, transfer rules, and grade pathway for any address you are considering.

Does SchoolsByCounty confirm school attendance boundaries in Cobb County?

No. SchoolsByCounty publishes NCES and Census-backed public-school records. Attendance zones, magnet eligibility, charter lotteries, transportation, and transfer rules must be confirmed with local districts.

How should parents compare public schools in Cobb County?

Start with the 128 listed public schools and 6 district entries, then compare similar grade bands and confirm the address-level rules locally.

How does Cobb County compare with nearby school counties?

Cobb County appears in the Atlanta metro comparison with Fulton County, GA and Gwinnett County, GA. Use that regional guide to compare county school score, graduation rate, and spending before narrowing to individual districts and schools.

Cobb County Schools & Education

Name: Cobb County, Georgia Education Data
Creator: National Center for Education Statistics (NCES)
License: https://creativecommons.org/publicdomain/zero/1.0/

Cobb County, Georgia

NCES 2022-23 public school data and FY 2022 school-finance data

School Score

54/100

Percentile-style score

Score Band

Midrange Signal

Graduation Rate

88.7%

National avg 87.5%

Education Statistics

Graduation Rate

88.7%

National avg 87.5%

State avg 88.1%

Per-Pupil Spending

$8,050

National avg $13,239

State avg $7,405

School Score

54/100

Percentile-style score

State avg 50/100

State Score Position

#67

of 159 counties by score

Education Data Brief: Cobb County

Measured School Summary

Cobb County performs at an average level with a school score of 54/100 and a solid graduation rate of 88.7%.

Funding Context

Cobb County spends $8,050 per student, which is on the lower end of adequate and may require careful resource allocation to maintain quality.

Neighbor Context

Its school score is 7% above the Georgia average, and its graduation rate exceeds the state average by 0.6 percentage points, while per-pupil spending is 9% higher than the state norm.

School Data Brief

How to read Cobb County before comparing districts

County-level education data is best used as a screening layer. It summarizes the local school environment, then points you toward the district and school records that matter for local review.

Local context that changes the interpretation

128 public schools and 6 districts are represented below. Use those school and district records to confirm whether the county-level context fits the neighborhoods you are actually considering.

Overall screen

54/100

Mixed county signal. Ranks #67 of 159 Georgia counties with school score data.

Completion

88.7%

0.6 pts above the state average

Funding context

$8,050

$645 above the state average

School coverage

128

6 districts represented in the county school list.

Start with measured county context

This county needs a closer look at district mix, school level, and local context. Compare the score, graduation rate, and spending together rather than treating any single metric as final.

Check the local school mix

Cobb County has 128 public schools across 6 districts, so school-level fit can vary inside the county.

Verify local rules

Use this page as county-level context, then confirm attendance zones, transportation, special programs, and current school boundaries with local districts.

View Public Schools Compare Counties

Parent decision brief

What Cobb County school data means before you move

County averages are useful for screening, but parents choose addresses, grade pathways, and district rules. This brief turns the public data into the checks that matter before you sign a lease or mortgage.

Dominant-district county

Cobb County carries most of the listed public-school system, with 110 of 128 schools. Start there, then verify whether your target address sits inside that district slice.

State position

#67

of 159 Georgia counties with school score data. The county score is 4 points above the state average.

Data confidence

Usable

3 of 5 county signals are present, and 100% of listed schools report enrollment. Compare schools, then verify missing fields locally.

K-12 continuity check

These are the largest visible district slices in the county data. They show whether elementary, middle, and high school records appear together or whether a family needs to investigate transition points.

Cobb County

Elementary to high school visible

106,703 students

Elementary 66Middle 26High 17Other 1

110 listed schools in this county slice.

Marietta City

Elementary to high school visible

8,711 students

Elementary 8Middle 2High 2Other 1

13 listed schools in this county slice.

State Charter Schools II- Northwest Classical Academy

Elementary school only in this slice

640 students

Elementary 1Middle 0High 0Other 0

1 listed school in this county slice.

State Charter Schools II- Destination Career Academy of Geor

Middle school only in this slice

389 students

Elementary 0Middle 1High 0Other 0

1 listed school in this county slice.

District reality check

Cobb County is the largest listed district slice, with 110 schools. County pages do not prove address assignment, so verify boundaries with local district tools.

What the data cannot tell you

NCES records do not confirm current attendance zones, private-school options, transfer approvals, program capacity, transportation, or whether a listed school is available to a specific address.

Questions to ask before choosing an address

Which district actually serves the addresses we are considering in Cobb County?

Do the neighborhoods we like fall inside the same district, or are we comparing different Cobb County district systems?

What changes at the elementary-to-middle and middle-to-high transitions in the district pathway we would likely use?

Which charter, magnet, or virtual options require a lottery, application window, separate transportation plan, or address eligibility check?

Are the largest listed schools the ones our address can actually attend, or are they only county-level context?

Comparison context

Compare Cobb County With Nearby School Markets

Cobb County appears in curated regional school comparisons where parents commonly weigh county lines, housing tradeoffs, commute, and district boundaries before narrowing to individual schools.

Atlanta metro

Fulton County vs Cobb County vs Gwinnett County Schools

This comparison helps parents separate central Atlanta, northwest suburban, and northeast suburban school signals before reviewing districts.

Compared with

Fulton County, GA and Gwinnett County, GA

Current leader

Cobb County, GA at 54/100

Graduation-rate leader: Cobb County, GA at 88.7%

Open regional guide Open interactive comparison

Education Overview

About Schools in Cobb County, Georgia

This context is screened for neutral school-data wording and should be read alongside the current metrics on this page. It is not school advice.

A Massive Network of Suburban Schools

Cobb County operates a robust infrastructure of 128 public schools serving 116,937 students across six districts. The landscape includes 77 elementary, 29 middle, and 19 high schools, providing comprehensive coverage for the state's largest suburban population.

Suburban Campus Life on a Grand Scale

Education here is overwhelmingly suburban, with 113 schools located in suburb settings and an average school size of 914 students. Large campuses like Campbell High, which enrolls 2,928 students, define the educational experience for many local families.

School Overview

Total Schools

128

in Cobb County

Reported Enrollment

116,937

128 schools reporting

School Districts

districts

Charter Schools

4% of total

School Level Breakdown

Elementary77

Middle29

High19

Other3

6 School Districts in Cobb County

Cobb County

Marietta City

State Charter Schools II- Northwest Classical Academy

1 school

640 students

State Charter Schools II- Destination Career Academy of Geor

1 school

389 students

State Charter Schools II- International Academy of Smyrna

1 school

318 students

State Charter Schools II- Amana Academy West Atlanta

1 school

166 students

128 Public Schools in Cobb County

Sorted by reported enrollment. Dedicated profile pages are available for 41 high-enrollment schools; every NCES public school remains listed here.

NCES 2022-23 public school data and FY 2022 school-finance data

Search schools

Level

Sort

Showing 20 of 128 matching schools

Public schools in Cobb County, including district, location, profile availability, grades, type, and enrollment.
School Name	Profile	District	Location	Grades	Type / Flags	Reported Enrollment
Campbell High School	Profile	Cobb County	Smyrna, 30080Suburb: Large	9–12	High	2,928
Osborne High School	Profile	Cobb County	Marietta, 30060Suburb: Large	9–12	High	2,772
Walton High School	Profile	Cobb County	Marietta, 30062Suburb: Large	9–12	Charter	2,646
Marietta High School	Profile	Marietta City	Marietta, 30064City: Small	9–12	High	2,626
North Cobb High School	Profile	Cobb County	Kennesaw, 30144Suburb: Large	9–12	High	2,555
Pebblebrook High School	Profile	Cobb County	Mableton, 30126Suburb: Large	9–12	High	2,511
Wheeler High School	Profile	Cobb County	Marietta, 30068Suburb: Large	9–12	High	2,375
Hillgrove High School	Profile	Cobb County	Powder Springs, 30127Suburb: Large	9–12	High	2,363
McEachern High School	Profile	Cobb County	Powder Springs, 30127Suburb: Large	9–12	High	2,327
South Cobb High School	Profile	Cobb County	Austell, 30106Suburb: Large	9–12	High	2,127
Harrison High School	Profile	Cobb County	Kennesaw, 30152Suburb: Large	9–12	High	2,121
Lassiter High School	Profile	Cobb County	Marietta, 30066Suburb: Large	9–12	High	1,932
Sprayberry High School	Profile	Cobb County	Marietta, 30066Suburb: Large	9–12	High	1,831
Pope High School	Profile	Cobb County	Marietta, 30062Suburb: Large	9–12	High	1,814
Kennesaw Mountain High School	Profile	Cobb County	Kennesaw, 30152Suburb: Large	9–12	High	1,809
Allatoona High School	Profile	Cobb County	Acworth, 30101Suburb: Large	9–12	High	1,694
Kell High School	Profile	Cobb County	Marietta, 30066Suburb: Large	9–12	High	1,506
East Cobb Middle School	Profile	Cobb County	Marietta, 30067Suburb: Large	6–8	Middle	1,334
Marietta Middle School	Profile	Marietta City	Marietta, 30064City: Small	7–8	Middle	1,316
Lovinggood Middle School	Profile	Cobb County	Powder Springs, 30127Suburb: Large	6–8	Middle	1,235

Campbell High School

Cobb County

Smyrna, 30080 / Suburb: Large

Profile9–12High2,928 students

Osborne High School

Cobb County

Marietta, 30060 / Suburb: Large

Profile9–12High2,772 students

Walton High School

Cobb County

Marietta, 30062 / Suburb: Large

Profile9–12Charter2,646 students

Marietta High School

Marietta City

Marietta, 30064 / City: Small

Profile9–12High2,626 students

North Cobb High School

Cobb County

Kennesaw, 30144 / Suburb: Large

Profile9–12High2,555 students

Pebblebrook High School

Cobb County

Mableton, 30126 / Suburb: Large

Profile9–12High2,511 students

Wheeler High School

Cobb County

Marietta, 30068 / Suburb: Large

Profile9–12High2,375 students

Hillgrove High School

Cobb County

Powder Springs, 30127 / Suburb: Large

Profile9–12High2,363 students

McEachern High School

Cobb County

Powder Springs, 30127 / Suburb: Large

Profile9–12High2,327 students

South Cobb High School

Cobb County

Austell, 30106 / Suburb: Large

Profile9–12High2,127 students

Harrison High School

Cobb County

Kennesaw, 30152 / Suburb: Large

Profile9–12High2,121 students

Lassiter High School

Cobb County

Marietta, 30066 / Suburb: Large

Profile9–12High1,932 students

Sprayberry High School

Cobb County

Marietta, 30066 / Suburb: Large

Profile9–12High1,831 students

Pope High School

Cobb County

Marietta, 30062 / Suburb: Large

Profile9–12High1,814 students

Kennesaw Mountain High School

Cobb County

Kennesaw, 30152 / Suburb: Large

Profile9–12High1,809 students

Allatoona High School

Cobb County

Acworth, 30101 / Suburb: Large

Profile9–12High1,694 students

Kell High School

Cobb County

Marietta, 30066 / Suburb: Large

Profile9–12High1,506 students

East Cobb Middle School

Cobb County

Marietta, 30067 / Suburb: Large

Profile6–8Middle1,334 students

Marietta Middle School

Marietta City

Marietta, 30064 / City: Small

Profile7–8Middle1,316 students

Lovinggood Middle School

Cobb County

Powder Springs, 30127 / Suburb: Large

Profile6–8Middle1,235 students

Additional School Profiles

Dedicated profile pages are generated for a subset of public schools with broad enrollment coverage. All other schools remain listed in the county table.

21 more profiles

Education Funding Detail

Annual Per-Pupil Expenditure

$8,050

State avg $7,405

Compare Nearby Counties

Review Cobb County against other counties using the same NCES-backed metrics.

Open Compare

Browse Public Schools

See school-level enrollment, grade ranges, school type, and district affiliation.

View Schools

Frequently Asked Questions

Which Georgia counties have the highest graduation rates?

Oconee County (98.0%), Bleckley County (97.0%), and Haralson County (97.0%) currently lead Georgia among counties with available NCES four-year adjusted cohort graduation-rate data. This answer is generated from the same dataset used in the county table and can change when federal data refreshes.

What is per-pupil spending like in Georgia?

Across Georgia counties with available NCES district-finance data, average per-pupil spending is $7,405. The highest current county values are Towns County ($10,107), Burke County ($9,829), and Quitman County ($9,756). Compare counties in the table before treating the statewide average as representative of a local district.

How should I read the school score in Cobb County?

Cobb County has a school score of 54/100, which is a midrange measured signal in this county-level index. This score is calculated from available NCES graduation-rate and school-finance data, with school-level records shown separately below.

What is the graduation rate in Cobb County?

The high school graduation rate in Cobb County is 88.7%, which is above the national average of 87.5%. This figure is based on NCES district-level data for public high schools in the county.

How much does Cobb County spend per student?

Cobb County spends $8,050 per pupil annually on public education, based on NCES district finance data. Current operating spending per fall enrollment, including instruction, support services, administration, transportation, and operations. It excludes capital outlays and debt service in the SchoolsByCounty methodology.

Frequently Asked Questions

Schools in Cobb County, Georgia — FAQ

What does the school system look like in Cobb County, Georgia?

What is the school experience like in Cobb County?

Counties with Similar School Profile

Catoosa County

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-0 pts

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School score

Early County

Georgia

+1 pts

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School score

By Evan Brooks, Data EditorUpdated May 13, 2026Reviewed by Evan Brooks, Data Editor

Data Sources

Education data sourced from the National Center for Education Statistics (NCES) Common Core of Data and School District Finance Survey. School scores are derived composite metrics based on available NCES graduation-rate and school-finance signals.

Data is informational only. Coverage varies by county and reporting year. Not for use as the sole basis for educational decisions.

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