- Enrollment
- 2,256
- Students per teacher
- 18.8:1
- Resource Index
- 36/100
Middle school (grades 6-8) · Martinez, GA
Stallings Island Middle School
Federal NCES profile for Stallings Island Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 130141003694
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 29
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Stallings Island Middle School earns 50/100 on the Resource Investment Index, with class sizes larger than 81% of Georgia schools.
- #1 of 4
- public schools in Martinez · Resource Index
- 50
- Resource Index · Higher
- 16.6:1
- large classes for Georgia
- 12.8%
- free-lunch eligible
Stallings Island Middle School has class sizes larger than 81% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Stallings Island Middle School ranks #1 of 4 public schools in Martinez, GA.
School address
District: Columbia County · Georgia
NCES ID 130141003694 Verify on NCES CCD record →
NCES CCD universe card
School universe 130141003694 · Martinez, GA Middle · MID · TRAD
729 enr · 16.6:1 · 12.8% lunch · RII 50
Nearest enrollment peer: Grovetown High School (2,256 students)
Resource Investment Index #1 of 4 public schools in Martinez. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Georgia schools → · Find another →
Stallings Island Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Grovetown High
Grovetown High School
2,256 students
- Greenbrier Hig
Greenbrier High School
1,935 students
- Lakeside High
Lakeside High School
1,861 students
- Evans High Sch
Evans High School
1,800 students
- Harlem High Sc
Harlem High School
1,318 students
- This school 729
Stallings Island Middle School
729 students
What this shows Stallings Island Middle School reports 729 students on the CCD universe file.
How Stallings Island Middle School compares
Stallings Island Middle School on the metrics families compare, against Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.6:1 | ▲ 15% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 12.8% | ▼ 79% | 60.7% | 51.7% |
| Enrollment | 729 | top 39% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
729
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
12.8%
free-lunch eligible
- 79% below the Georgia average of 60.7%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.6:1
students per teacher
- 15% above state mean
Top 81% in Georgia - lower ratio than 19% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
13.6%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$11,853
per pupil, district-wide
- below Georgia avg of $14,615
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 357 students, the combined health-and-guidance staffing load for this school.
Discipline context
65
in-school suspensions + 14 out-of-school
Suspension rate: 8.9 per 100 students. Combined in-school and out-of-school rate: 10.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 57.3%
Asian 16.3%
African American 11.5%
Hispanic or Latino 8.2%
Two or More 6.0%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 57.3% of enrollment.
Student-body diversity index 62.2/100
Simpson diversity index - at 62.2, Stallings Island Middle School is more mixed than the Georgia school average of 50.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Columbia County, which includes Stallings Island Middle School.
$11,853
Per student
-19%
vs Georgia
Avg $14,615
-33%
vs U.S.
Avg $17,658
Revenue mix
Local 43.9%
State 45.4%
Federal 10.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Stallings Island Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grovetown High School | Larger | Higher economic need | Higher S:T ratio |
| Greenbrier High School | Larger | Similar economic need | Higher S:T ratio |
| Lakeside High School | Larger | Similar economic need | Similar S:T ratio |
| Evans High School | Larger | Similar economic need | Similar S:T ratio |
| Harlem High School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Stallings Island Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,935
- Students per teacher
- 20.4:1
- Resource Index
- 42/100
- Enrollment
- 1,861
- Students per teacher
- 17.4:1
- Resource Index
- 36/100
- Enrollment
- 1,800
- Students per teacher
- 17.6:1
- Resource Index
- 37/100
- Enrollment
- 1,318
- Students per teacher
- 18.8:1
- Resource Index
- 34/100
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~729 students)
Frequently asked questions about Stallings Island Middle School
How many students attend Stallings Island Middle School?
Stallings Island Middle School has 729 students enrolled. It is a middle school in Martinez, GA.
What is the student-teacher ratio at Stallings Island Middle School?
The student-teacher ratio at Stallings Island Middle School is 16.6:1, which is 15% higher than the Georgia average of 14.4:1 and 6% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Stallings Island Middle School?
12.8% of students at Stallings Island Middle School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Stallings Island Middle School?
The largest demographic group at Stallings Island Middle School is White at 57.3% of enrollment, in Martinez, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.2/100.
What is the Resource Investment Index for Stallings Island Middle School?
Stallings Island Middle School has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Stallings Island Middle School rank among public schools in Martinez?
By Resource Investment Index, Stallings Island Middle School ranks #1 of 4 public schools in Martinez, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Columbia County?
Besides Stallings Island Middle School, Columbia County also operates Grovetown High School (2,256 students), Greenbrier High School (1,935 students), and Lakeside High School (1,861 students). See the Columbia County district page for the complete list.
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, the data changelog, or report a data error. Data current as of August 2026.