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SCHOOL COMMUNITY·DEKALB COUNTY·NCES 130174003332

Miller Grove High School

2645 Dekalb Medical Pkwy, Lithonia, GA 30058 · (678) 875-1102 · DeKalb County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,073 STUDENTS
C
allk12 Grade
Scored higher than 28% of Georgia public high schools
  • C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Georgia public high schools

Enrollment
1,073
High
DISTRICT 1,183 · STATE 1,120
Student : Teacher
14.9:1
72 FTE teachers
DISTRICT 14.8:1 · STATE 15.2:1
Free / Reduced Lunch
100%
1,073 students
DISTRICT 82% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 933131%
Grade 1027826%
Grade 1126525%
Grade 1219919%
Student demographics
16%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 71% · US 70%
White
61%
DISTRICT 11% · STATE 34% · US 43%
Hispanic
636%
DISTRICT 23% · STATE 19% · US 30%
Black
98392%
DISTRICT 55% · STATE 36% · US 15%
Asian
71%
DISTRICT 7% · STATE 5% · US 6%
Two+
121%
DISTRICT 3% · STATE 5% · US 5%
Native American
20%
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
52749%
Female
54651%

School pathway

Feeds from
Miller Grove Middle School06–08
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
Math
37.8%
GA avg 44.6% . +24.2pp since 2023

What this means: On the Georgia Milestones, Georgia's statewide test, about 38 of every 100 students at this school do math at grade level. The Georgia average is about 45 of 100. Math scores are up about 24 points since 2023.

Georgia Milestones results by year

School yearMath
2024-2537.8%
2023-2413.6%
% 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
21.4%
composite math + reading, all grades
Predicted
25.7%
based on GA schools with similar FRL share
Beats by
-4.3pp
below demographic expectation

What this means: About 21% 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 Miller Grove High School

Miller Grove High School's state test result (21.4% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Miller Grove High School this school1,073100.0%21.4%
Cedar Grove High School
Ellenwood
1,121100.0%17.3%
Dougherty Comprehensive High School
Albany
1,191100.0%25.0%
D. M. Therrell High School
Atlanta
964100.0%15.6%
Monroe High School
Albany
1,189100.0%22.3%
Columbia High School
Decatur
877100.0%15.7%
Matched among Georgia high 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 Miller Grove High School ranks

Among high schools
MeasureThis schoolIn GeorgiaIn DeKalb County
State test proficiency
ranked highest first
21.4%#333 of 411#18 of 25
Math proficiency
ranked highest first
37.8%#201 of 417
▲ 154
#6 of 25
▲ 14
Enrollment
ranked largest first
1,073#241 of 480#16 of 29
Students per teacher
ranked fewest first
14.9:1#138 of 413#12 of 25
Diversity index
ranked most diverse first
15.7%#393 of 413#22 of 25
Free and reduced lunch
ranked highest share first
100%#40 of 425#11 of 27
Enrollment change since 2017-18
ranked steepest decline first
-22.7%#22 of 168#3 of 11
Ranked against other public high 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
1,073
-166 (-13%) vs 2020
-33% since 2010-11, when it was 1,606
Student : Teacher
14.9:1
was 15.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,0737214.9:1100% (1,073)
2023-241,1097015.8:187% (965)
2022-231,1887416.1:1100% (1,188)
2020-211,2397915.7:167% (827)
2017-181,3888715.9:173% (1,012)
2015-161,5018318.1:176% (1,136)
2010-111,6069217.5:174% (1,185)
Source: NCES Common Core of Data. Rows are the federal collections on file for Miller Grove High School.

Since 2017-18: students down 23% (1,388 to 1,073); teachers down 17% (87 to 72).

About Miller Grove High School

Miller Grove High School is a mid-sized high school with its address in Lithonia, Georgia. The school offers grades 9 through 12 and enrolls 1,073 students.

DeKalb County (131 schools, 92,088 students) runs Miller Grove High School.

By race and ethnicity, Miller Grove High School is 92% Black. Other groups make up 6% Hispanic. DeKalb County as a whole is about 51% Black, so the school's share is higher. On a 0 to 100 scale, the school's diversity index is 16, compared with 70 nationally.

Classroom staffing at Miller Grove High School totals 72 full-time-equivalent teachers, and the student-to-teacher ratio is 14.9:1. That is in line with the 15.2:1 average for high schools in Georgia. Federal data show 100% of students (1,073) are eligible for free or reduced-price lunch. For comparison, public schools in DeKalb County average 77%.

Among Georgia public high schools, Miller Grove High School outscored 28%, which works out to a C on the allk12 Grade.

Test results at Miller Grove High School are 4.3 points below what its free or reduced-price lunch share predicts (21.4% actual, 25.7% predicted).

In the surrounding county, DeKalb County, median household income comes to about $80,644, a bachelor's degree or higher is held by about 47% of adults, and the poverty rate is about 10%. The county has 154 public schools and about 102,960 students.

The closest school to Miller Grove High School is Leadership Preparatory Academy, located about 1.0 miles away. Miller Grove High School is one of several public schools in the area, with at least 8 others within five miles. Nearby schools average 18.2% on proficiency, and Miller Grove High School is above that at 21.4%.

Locale: Suburb: Large. In NCES terms, the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment in 2024-25 stood at 1,073, compared with 1,239 in 2020-21.

This page is a place to ask questions and share updates about athletics, class schedules, and weather closures at Miller Grove High School. Parents, students, alumni, and staff are welcome to post.

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
Miller Grove High School
District
DeKalb County
Address
2645 Dekalb Medical Pkwy, Lithonia, GA 30058
Phone
(678) 875-1102
County
DeKalb County
Level
High
Grade range
09–12
Total enrollment
1,073
Teachers (FTE)
72
Student–teacher ratio
14.9:1
Free and reduced lunch
1,073 (100%)
Locale
21-Suburb: Large
NCES ID
130174003332
Charter school
No
Virtual school
No

Related schools

Other schools in DeKalb County
Other schools in Lithonia
Nearby schools

Frequently asked questions

About Miller Grove High School
What is the total enrollment at Miller Grove High School?
Miller Grove High School enrolls approximately 1,073 students in grades 09-12.
What age range does Miller Grove High School serve?
Miller Grove High School serves students from grade 09 through grade 12.
How many students per teacher at Miller Grove High School?
Approximately 14.9:1 students per teacher at Miller Grove High School.
What is the racial breakdown of students at Miller Grove High School?
At Miller Grove High School, the student body is approximately 1% White, 6% Hispanic, 92% Black, 1% Asian, 1% Two or more.
What district is Miller Grove High School in?
Miller Grove High School is part of DeKalb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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