Average
#1645 of 2,268 schools in GA
Miller Grove High School
High School · DeKalb County
2645 Dekalb Medical Pkwy, Lithonia, GA 30058
Enrollment
1,109
Student-Teacher
15.8:1
Score
5.3
Grades
9th – 12th
Enrollment
1,109
Student-Teacher
15.8:1
Score
5.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Lithonia
#15 of 20
public schools
Georgia high schools
#276 of 443
In district
#104 of 131
DeKalb County
Academic growth
8.6 / 10
Exceptional
About Miller Grove High School
Miller Grove High School serves 1,109 students in grades 9-12 in Lithonia, Georgia, operating as a regular public school within DeKalb County. With 70 full-time equivalent teachers, the school maintains a student-teacher ratio of 15.8:1, providing reasonable class sizes for individualized attention. The school faces significant academic challenges, with 28% of students achieving proficiency in English Language Arts and 14% in mathematics.
Currently ranked #2015 out of 2,271 high schools statewide, Miller Grove has considerable room for academic growth and is focusing on student development across all subject areas. The school draws from a diverse suburban community where the median household income is $63,316 and median home values average $187,600. About 29% of residents hold bachelor's degrees or higher, while 16.6% of families experience poverty, reflecting the mixed economic circumstances that shape the student body's needs and experiences.
Miller Grove High School sits along DeKalb Medical Parkway in a large suburban setting, serving families throughout the 30058 ZIP code area. The school's location provides access to various community resources while serving a population of over 63,000 residents in this established suburban area of metro Atlanta.
What Parents Should Know
While current test scores at Miller Grove High School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
Score Breakdown
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Miller Grove High School — Students at Miller Grove High School score 21% proficient, which is below what's typical for similar communities (expected: 28%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
87%
Students qualifying for federal meal assistance
Test Scores GA GA (2023-24)
Based on 8 test records from GA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.6/10.
How Miller Grove High School Compares
See how Miller Grove High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 16% (2019) to 14.4% (2024). Reading/ELA proficiency has improved from 24% (2019) to 28.5% (2024).
Location
2645 Dekalb Medical Pkwy, Lithonia, GA 30058
Nearby Alternatives
Families considering Miller Grove High School may also want to explore other high schools in the area. MILLER'S MILITARY ACADEMY (rated 6.8/10, 2.5 miles away), which scores notably higher. Additionally, Lithonia High School (rated 4.6/10, 1.5 miles away), with a comparable rating. For more schools in Lithonia, see our Lithonia schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| Leadership Preparatory Academy Lithonia | 1.0 mi | 4.3 |
| CHILDREN FOR CHRIST ACADEMY Lithonia | 1.1 mi | 4.6 |
| Fairington Elementary School Lithonia | 1.3 mi | 7.0 |
| Marbut Elementary School Lithonia | 1.5 mi | 6.3 |
| SHEKINAH GLORY CHRISTIAN ACADEMY Decatur | 1.5 mi | — |
| FIRM FOUNDATION EARLY LEARNING ACADEMY Lithonia | 1.6 mi | — |
| HOWARD SCHOLARS ACADEMY Decatur | 1.4 mi | 3.9 |
| Lithonia High School Lithonia | 1.5 mi | 4.6 |
| ARETE PREPATORY SCHOOL Lithonia | 1.7 mi | 3.8 |
| Panola Way Elementary School Lithonia | 1.8 mi | 4.5 |
| TWINS ACADEMY INC AT 3152 Lithonia | 1.8 mi | — |
| TWINS ACADEMY INC. Lithonia | 1.8 mi | — |
| Stoneview Elementary School Lithonia | 1.7 mi | 5.9 |
| THE WHITAKER CHRISTIAN ACADEMY Lithonia | 2.1 mi | — |
| Redan Middle School Lithonia | 2.2 mi | 7.9 |
| LITHONIA ADVENTIST ACADEMY ELEMENTARY Stonecrest | 2.3 mi | 4.9 |
| FLEMING DAY SCHOOL Lithonia | 2.4 mi | — |
| MILLER'S MILITARY ACADEMY Lithonia | 2.5 mi | 6.8 |
| Miller Grove Middle School Decatur | 2.2 mi | 5.6 |
| Redan Elementary School Lithonia | 2.6 mi | 6.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 30058 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$62,633
Median Home Value
$221,200
Median Rent
$1,478/mo
Population
63,421
College Educated
29.5%
Homeownership
60.6%
Avg Commute
38.3 min
Poverty Rate
18.2%
Median Age
34.9
Community Profile
The community surrounding Miller Grove High School has a median household income of $62,633. It is an area where 30% of adults hold a bachelor's degree or higher. The median home value in the area is $221,200, with a median rent of $1,478/month. The area has a poverty rate of 18.2%. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Crisp County High School Cordele, GA | 5.3 |
| Monroe High School Albany, GA | 5.3 |
| BLESSED TRINITY CATHOLIC HIGH SCHOOL Roswell, GA | 5.2 |
| Gordon Central High School Calhoun, GA | 5.2 |
| Hapeville Charter Career Academy Atlanta, GA | 5.2 |
| Washington County High School Sandersville, GA | 5.2 |
Frequently Asked Questions
Common questions about Miller Grove High School
What grades does Miller Grove High School serve?
Miller Grove High School serves students in grades 9th through 12th.
How many students attend Miller Grove High School?
Miller Grove High School has an enrollment of approximately 1,109 students.
What is the student-teacher ratio at Miller Grove High School?
The student-teacher ratio at Miller Grove High School is 15.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Miller Grove High School rank in GA?
Miller Grove High School is ranked #1645 out of 2,268 schools in GA.
What is Miller Grove High School's MySchoolScout rating?
Miller Grove High School has a composite rating of 5.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Miller Grove High School?
Based on the most recent state assessment data, Miller Grove High School has 12.4% math proficiency and 20.6% reading/ELA proficiency.
Is Miller Grove High School a charter school?
No, Miller Grove High School is not a charter school. It is a traditional public school operated by the local school district.
Is Miller Grove High School a Title I school?
No, Miller Grove High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Miller Grove High School?
87.0% of students at Miller Grove High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Lithonia). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,109
- Student-Teacher Ratio
- 15.8:1
- Teachers (FTE)
- 70
- Free/Reduced Lunch
- 87.0%
- Type
- regular
- Setting
- Large Suburb
- County
- DeKalb County
- Phone
- (678) 875-1102
- Data Year
- 2023–2024
Resources & Links
District
DeKalb County- District Enrollment
- 91,398
- Schools in District
- 131
- Per-Pupil Spending
- $15,368
- District Rank
- #104 of 131
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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