High school (grades 9-12) · Marietta, GA

George W. Hartmann Center

Federal NCES profile for George W. Hartmann Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 130351003700
0/100100/10041/100
👥 S:T ratio
84
📚 AP courses
10
🌟 Gifted program
30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

George W. Hartmann Center earns 41/100 on the Resource Investment Index, with class sizes smaller than 99% of Georgia schools. It is also one of the smallest schools in Georgia.

#1 of 9
high schools in Marietta · Resource Index
41
Resource Index · Typical
4:1
small classes for Georgia
4
students enrolled

George W. Hartmann Center has class sizes smaller than 99% of Georgia schools. Computed live against every Georgia school reporting to NCES.

By Resource Investment Index, George W. Hartmann Center ranks #1 of 9 high schools in Marietta, GA.

School address

Enrollment

4

Georgia · 2024-25 NCES data

Teachers (FTE)

1.0

Federal CCD staff survey

Students per teacher

4:1

vs 14.4:1 Georgia avg

-72% vs state

Student-teacher ratio in context

How George W. Hartmann Center compares with Georgia and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at George W. Hartmann Center

George W. Hartmann Center is a small high school in Marietta, Georgia, enrolling 4 students.

Classes run notably small here: at 4:1, George W. Hartmann Center is leaner than roughly 99% of Georgia schools and 72% under the state's 14.4:1 norm, more adult attention per pupil than most peers.

This is a small campus: fewer students than 99% of Georgia schools, with 4 enrolled.

Its Resource Investment Index outscores 94% of the 2,314 Georgia schools with a score on record, a top-tier result on this measure.

Its student body is led by Hispanic or Latino (75%) and White (25%) (diversity index 38/100).

No Advanced Placement courses are reported for this campus in the federal data.

Among Marietta's high schools, it stands alongside Osborne High School (2,790 students): George W. Hartmann Center is smaller than that campus by headcount and runs leaner classes (4:1 vs 17:1).

Marietta City also operates Marietta High School (2,526 students) and Marietta Middle School (1,352 students) alongside George W. Hartmann Center.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How George W. Hartmann Center compares

George W. Hartmann Center on the metrics families compare, against Georgia and U.S. means.

Metric This school vs Georgia Georgia avg U.S. avg
Students per teacher 4:1 ▼ 72% 14.4:1 15.7:1
Enrollment 4 top 100% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

4:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
4
Bigger than 1% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Staffing depth
4:1
students per teacher - 72% below state mean
Top 1% in Georgia - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$16,205
per pupil, district-wide - above Georgia avg of $13,863
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 75.0%
White 25.0%

Largest group: Hispanic or Latino at 75.0% of enrollment.

Student-body diversity index 37.5/100

Simpson diversity index - at 37.5, George W. Hartmann Center is less mixed than the Georgia school average of 50.0.

Programs

AP program Not offered

Funding & spending

District-wide per-pupil expenditure for Marietta City, which includes George W. Hartmann Center.

$16,205
Per student
+17%
vs Georgia
Avg $13,863
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 54.0%
State 33.2%
Federal 12.8%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How George W. Hartmann Center Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Marietta High School Larger No free-lunch data Higher S:T ratio
Marietta Middle School Larger No free-lunch data Higher S:T ratio
Lockheed Elementary School Larger No free-lunch data Higher S:T ratio
Marietta Sixth Grade Academy Larger No free-lunch data Higher S:T ratio
West Side Elementary School Larger No free-lunch data Higher S:T ratio

Comparisons are relative to George W. Hartmann Center's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Marietta City · 5 sibling schools

View district profile

Similar high schools in Marietta

6 comparable high schools (grades 9-12) serving the same city.

Similar high schools statewide

Matched by enrollment size and by staffing ratio across all of Georgia, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on George W. Hartmann Center's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about George W. Hartmann Center

How many students attend George W. Hartmann Center?

George W. Hartmann Center has 4 students enrolled. It is a high school in Marietta, GA.

What is the student-teacher ratio at George W. Hartmann Center?

The student-teacher ratio at George W. Hartmann Center is 4:1, which is 72% lower than the Georgia average of 14.4:1 and 75% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What is the racial and ethnic makeup of George W. Hartmann Center?

The largest demographic group at George W. Hartmann Center is Hispanic or Latino at 75.0% of enrollment, in Marietta, GA.

What is the Resource Investment Index for George W. Hartmann Center?

George W. Hartmann Center has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology).

How does George W. Hartmann Center rank among high schools in Marietta?

By Resource Investment Index, George W. Hartmann Center ranks #1 of 9 high schools in Marietta, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Marietta on the city page.

Is George W. Hartmann Center a good school?

George W. Hartmann Center earns 41/100 on the Resource Investment Index, with class sizes smaller than 99% of Georgia schools. It is also one of the smallest schools in Georgia. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Marietta City?

Besides George W. Hartmann Center, Marietta City also operates Marietta High School (2,526 students), Marietta Middle School (1,352 students), and Lockheed Elementary School (734 students). See the Marietta City district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.