- Enrollment
- 2,234
- Students per teacher
- 18.2:1
- Resource Index
- 39/100
Other / mixed grade configuration · Stone Mountain, GA
Rockbridge Elementary School
Federal NCES profile for Rockbridge Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataOther / mixed grade configurationNCES 130174000646
👥 S:T ratio 36
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rockbridge Elementary School earns 27/100 on the Resource Investment Index, with class sizes larger than 77% of Georgia schools.
- #13 of 14
- schools in Stone Mountain · Resource Index
- 27
- Resource Index · Lower
- 16.1:1
- large classes for Georgia
- 100.0%
- free-lunch eligible
Rockbridge Elementary School has class sizes larger than 77% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Rockbridge Elementary School ranks #13 of 14 schools in Stone Mountain, GA.
School address
District: Dekalb County · Georgia
NCES ID 130174000646 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+47 students YoY
Rockbridge Elementary School grew from 894 students in 2022-23 to 941 in 2023-24 (+5.3%).
Teacher FTE added 56.8 → 57.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+47 students YoY 130174000646 · Stone Mountain, GA Other · MID · TRAD
900 enr · 16.1:1 · 100.0% lunch · RII 27
Nearest enrollment peer: Lakeside High School (2,234 students)
Rockbridge Elementary School grew from 894 students in 2022-23 to 941 in 2023-24 (+5.3%). Teacher FTE added 56.8 → 57.7 across the same CCD years. Read with this school → · District book → · Georgia schools → · Find another →
Rockbridge Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lakeside High
Lakeside High School
2,234 students
- Dunwoody High
Dunwoody High School
2,012 students
- Chamblee High
Chamblee High School
1,867 students
- Cross Keys Hig
Cross Keys High School
1,748 students
- Sequoyah Middl
Sequoyah Middle School
1,713 students
- This school
Rockbridge Elementary School
900 students
What this shows Rockbridge Elementary School reports 900 students on the CCD universe file.
How Rockbridge Elementary School compares
Rockbridge Elementary School is a growing campus on CCD: ratios and free-lunch share vs Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.1:1 | ▲ 12% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 65% | 60.7% | 51.7% |
| Enrollment | 900 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.1:1
Leaner classes than 37% of US schools, a middle-of-the-pack class size.
900
Bigger than 89% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
100.0%
free-lunch eligible
- 65% above the Georgia average of 60.7%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
16.1:1
students per teacher
- 12% above state mean
Top 77% in Georgia - lower ratio than 23% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
38.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,368
per pupil, district-wide
- above Georgia avg of $14,615
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 900 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 69.9%
Hispanic or Latino 14.7%
Asian 10.0%
White 2.6%
Two or More 2.3%
American Indian / Alaska Native 0.6%
Largest group: African American at 69.9% of enrollment.
Student-body diversity index 47.9/100
Simpson diversity index - at 47.9, Rockbridge Elementary School is less mixed than the Georgia school average of 50.0.
Programs
Gifted & talented Yes
District finance for Dekalb County reports $15,368 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rockbridge Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lakeside High School | Larger | Lower economic need | Higher S:T ratio |
| Dunwoody High School | Larger | Lower economic need | Similar S:T ratio |
| Chamblee High School | Larger | Lower economic need | Similar S:T ratio |
| Cross Keys High School | Larger | Lower economic need | Similar S:T ratio |
| Sequoyah Middle School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Rockbridge Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,012
- Students per teacher
- 17.1:1
- Resource Index
- 31/100
- Enrollment
- 1,867
- Students per teacher
- 17.3:1
- Resource Index
- 44/100
- Enrollment
- 1,748
- Students per teacher
- 17:1
- Resource Index
- 36/100
- Enrollment
- 1,713
- Students per teacher
- 15.3:1
- Resource Index
- 32/100
Similar other schools in Stone Mountain
6 comparable other schools (grades Mixed) serving the same city.
Allgood Elementary School
Standard public school
614 students 17.5:1 students per teacher
Stone Mill Elementary School
Standard public school
601 students 17.2:1 students per teacher
Pine Ridge Elementary School
Standard public school
551 students 12.2:1 students per teacher
Wynbrooke Elementary School
Standard public school
546 students 14:1 students per teacher
Smoke Rise Elementary School
Standard public school
539 students 14.6:1 students per teacher
Hambrick Elementary School
Standard public school
536 students 14.5:1 students per teacher
Nationwide other 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 (~900 students)
Frequently asked questions about Rockbridge Elementary School
How many students attend Rockbridge Elementary School?
Rockbridge Elementary School has 900 students enrolled. It is a public school in Stone Mountain, GA. CCD year-over-year: 894 (2022-23) → 941 (2023-24), up 47.
What is the student-teacher ratio at Rockbridge Elementary School?
The student-teacher ratio at Rockbridge Elementary School is 16.1:1, which is 12% higher than the Georgia average of 14.4:1 and 3% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rockbridge Elementary School?
100.0% of students at Rockbridge Elementary School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Rockbridge Elementary School?
The largest demographic group at Rockbridge Elementary School is African American at 69.9% of enrollment, in Stone Mountain, GA.
What is the Resource Investment Index for Rockbridge Elementary School?
Rockbridge Elementary School has a Resource Investment Index of 27/100 (lower 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 Rockbridge Elementary School rank among schools in Stone Mountain?
By Resource Investment Index, Rockbridge Elementary School ranks #13 of 14 schools in Stone Mountain, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Stone Mountain on the city page.
What other schools are in Dekalb County?
Besides Rockbridge Elementary School, Dekalb County also operates Lakeside High School (2,234 students), Dunwoody High School (2,012 students), and Chamblee High School (1,867 students). See the Dekalb County district page for the complete list.