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SCHOOL COMMUNITY·DEKALB COUNTY·NCES 130174000646

Rockbridge Elementary School

445 Halwick Way, Stone Mountain, GA 30083 · (678) 676-6102 · DeKalb County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL900 STUDENTS
Enrollment
900
Elementary
DISTRICT 556 · STATE 605
Student : Teacher
14.3:1
63 FTE teachers
DISTRICT 13.1:1 · STATE 13.3:1
Free / Reduced Lunch
100%
900 students
DISTRICT 82% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K445%
Kindergarten12514%
Grade 113315%
Grade 216018%
Grade 315818%
Grade 413415%
Grade 514616%

This year's kindergarten class (125) is 14% smaller than its 5th grade class (146).

Student demographics
48%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 71% · US 70%
White
233%
DISTRICT 11% · STATE 34% · US 43%
Hispanic
13215%
DISTRICT 23% · STATE 19% · US 30%
Black
62970%
DISTRICT 55% · STATE 36% · US 15%
Asian
9010%
DISTRICT 7% · STATE 5% · US 6%
Two+
212%
DISTRICT 3% · STATE 5% · US 5%
Native American
51%
DISTRICT 1% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
46351%
Female
43749%

School pathway

Students here typically continue to
Rockbridge Elementary School→Stone Mountain Middle School→Stone Mountain High School
Based on published attendance-zone data from DeKalb County. Zones change; confirm enrollment with the district.

Discussions

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Test scores

Georgia Milestones 2024-25 . % Proficient or Distinguished
English Language Arts
20.0%
GA avg 40.1% . -2.6pp since 2021
Math
23.7%
GA avg 44.6% . +7.7pp since 2021

What this means: On the Georgia Milestones, Georgia's statewide test, about 20 of every 100 students at this school read and write at grade level and about 24 of 100 do math at grade level. Across all Georgia schools, those numbers are about 40 and 45. Reading and writing scores are down about 3 points since 2021, while math scores are up about 8 points.

Georgia Milestones results by year

School yearEnglish Language ArtsMath
2024-2520.0%23.7%
2023-2424.2%24.2%
2022-2322.7%22.0%
2021-2222.6%16.0%
% Proficient or Distinguished, all students and all tested grades.
Source: Georgia Milestones. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
21.7%
composite math + reading, all grades
Predicted
25.7%
based on GA schools with similar FRL share
Beats by
-3.9pp
below demographic expectation

What this means: About 22% of students here test proficient in math and reading, compared with the roughly 26% typical for Georgia schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Georgia's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Rockbridge Elementary School

Rockbridge Elementary School's state test result (21.7% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Rockbridge Elementary School this school900100.0%21.7%
Thurgood Marshall Elementary School
Morrow
801100.0%23.2%
Idlewood Elementary School
Tucker
889100.0%29.3%
Peachcrest Elementary School
Decatur
729100.0%12.7%
William M. McGarrah Elementary School
Morrow
658100.0%25.5%
James Jackson Elementary School
Jonesboro
696100.0%20.8%
Matched among Georgia elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Rockbridge Elementary School ranks

Among elementary schools
MeasureThis schoolIn GeorgiaIn DeKalb County
State test proficiency
ranked highest first
21.7%#999 of 1,208#52 of 88
Math proficiency
ranked highest first
23.7%#989 of 1,215
▼ 30
#54 of 88
▼ 6
Reading proficiency
ranked highest first
20.0%#1,016 of 1,215
▼ 67
#57 of 88
▲ 1
3-year test score change
ranked biggest gain first
+2.6pp#556 of 1,183#49 of 88
Enrollment
ranked largest first
900#137 of 1,324#6 of 97
Students per teacher
ranked fewest first
14.3:1#924 of 1,301#69 of 94
Diversity index
ranked most diverse first
47.9%#825 of 1,301#44 of 94
Free and reduced lunch
ranked highest share first
100%#158 of 1,312#5 of 97
Enrollment change since 2017-18
ranked fastest growth first
+160.9%#2 of 386#1 of 19
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
900
-3 (0%) vs 2020
+16% since 1990-91, when it was 776
Student : Teacher
14.3:1
was 14.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-259006314.3:1100% (900)
2023-2494157.716.3:1100% (941)
2022-2389456.815.7:1100% (894)
2020-219036214.6:199% (894)
2017-183452613.3:185% (294)
2015-163892515.6:192% (357)
2010-114943115.9:188% (436)
2000-017274316.9:160% (435)
1990-917764417.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Rockbridge Elementary School.

Since 2017-18: students up 161% (345 to 900); teachers up 142% (26 to 63).

About Rockbridge Elementary School

Rockbridge Elementary School is a medium-sized elementary school serving families in Stone Mountain, Georgia. It covers pre-K through 5, with a total enrollment of 900 students. Statewide, elementary schools in Georgia average about 605 students each.

DeKalb County enrolls 92,088 students in 131 schools, including Rockbridge Elementary School.

By race and ethnicity, Rockbridge Elementary School is 70% Black. After that, the student body is 15% Hispanic, 10% Asian, 3% White, and 2% multiracial. Census figures show DeKalb County is about 51% Black. Rockbridge Elementary School has a diversity index of 48%, compared with 70% for all US public school students.

The school reports 63 full-time-equivalent teachers, which works out to about 14.3 students per teacher. The 13.3:1 average for elementary schools in Georgia is lower than this school's figure. The free or reduced-price lunch share, often used to gauge student poverty, is 100%. The gap from the 77% average for public schools in DeKalb County is 23 points.

On the allk12 BeatsExpectations measure, Rockbridge Elementary School is 3.9 points below the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 21.7% actual, 25.7% predicted. That is outside both the top and bottom 10% in Georgia.

Census Bureau estimates for DeKalb County show that median household income is about $80,644, a bachelor's degree or higher is held by about 47% of adults, and the share of residents below the poverty line is 10%. Rockbridge Elementary School is one of 154 public schools in DeKalb County, which together enroll about 102,960 students.

The school nearest to Rockbridge Elementary School is Freedom Middle School, at a distance of about 0.5 miles. Counting only straight-line distance, at least 8 other public schools are within five miles. By average proficiency, Rockbridge Elementary School is 5th among 7 schools close by.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment was essentially flat over 4 years: 903 in 2020-21, 900 in 2024-25.

Threads on this page can be about enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.

DeKalb County at a glance

View full county profile
Population
765,351
Census ACS
Median income
$80,644
Household, ACS
Bachelor's+
47%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
154
102,960 students

Quick facts

School name
Rockbridge Elementary School
District
DeKalb County
Address
445 Halwick Way, Stone Mountain, GA 30083
Phone
(678) 676-6102
County
DeKalb County
Level
Elementary
Grade range
PK–05
Total enrollment
900
Teachers (FTE)
63
Student–teacher ratio
14.3:1
Free and reduced lunch
900 (100%)
Locale
21-Suburb: Large
NCES ID
130174000646
Charter school
No
Virtual school
No

Related schools

Other schools in DeKalb County
Other schools in Stone Mountain
Other Rockbridge Elementary schools

One other US public school is named Rockbridge Elementary. Rockbridge Elementary School is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About Rockbridge Elementary School
How many students attend Rockbridge Elementary School?
Rockbridge Elementary School enrolls approximately 900 students in grades PK-05.
What age range does Rockbridge Elementary School serve?
Rockbridge Elementary School serves students from grade PK through grade 05.
How many students per teacher at Rockbridge Elementary School?
Approximately 14.3:1 students per teacher at Rockbridge Elementary School.
How diverse is Rockbridge Elementary School?
Rockbridge Elementary School reports a student body of 3% White, 15% Hispanic, 70% Black, 10% Asian, 2% Two or more.
Who oversees Rockbridge Elementary School?
Rockbridge Elementary School is overseen by DeKalb County in DeKalb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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