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Miller Grove High School

Public Grades 9-12
295th
SchoolDigger Rank ?
of 452 Georgia High Schools
Better than 35% of Georgia high schools
Summary

Miller Grove High School is a public high school located in Lithonia, Georgia, serving 1,109 students in grades 9-12. The school is part of the DeKalb County School District, which is ranked 131 out of 206 districts in Georgia and has a 2-star rating from SchoolDigger.

Academically, Miller Grove High School consistently underperforms compared to the DeKalb County and Georgia state averages on the Milestones Assessments. For example, in the 2024-2025 school year, the school's proficiency rates were significantly lower than the county and state in subjects like American Literature and Composition (29.7% vs. 32.9% and 40.4%), Algebra I (33.4% vs. 32.2% and 44.9%), and Biology (18.6% vs. 34.7% and 44.2%). Additionally, the school's four-year graduation rate has been around 80-85% in recent years, which is lower than the 85.4% average for the surrounding schools in the DeKalb County district.

When comparing Miller Grove High School to other high schools in the area, it becomes clear that the school is underperforming academically. For instance, Arabia Mountain High School, which is only about 4 miles away, consistently outperforms Miller Grove High School on the Milestones Assessments by a significant margin, with proficiency rates that are often 20-30 percentage points higher. The high percentage of economically disadvantaged students at Miller Grove High School, with 87-100% of students receiving free or reduced-price lunch, may be a contributing factor to the school's lower academic performance. The data suggests that Miller Grove High School could benefit from targeted interventions and support to address the academic needs of its students and provide a more equitable educational experience for the community.

1,073
Students ?
14.9
Student/teacher ratio ?
$19,071
Per pupil spending ?
100%
Free/discounted lunch ?
 2645 Dekalb Medical Pkwy
       Lithonia, GA  30058

(678) 875-1102

District: DeKalb County


Feeder schools for Miller Grove High School:

Elementary:    Panola Way Elementary School
    Woodridge Elementary School
Middle:    Miller Grove Middle School
Racial breakdown:

African American:
91.6%
Hispanic:
5.9%
Two or more races:
1.1%
more
 See top rated Georgia high schools

 Compare Miller Grove High School to nearby high schools!
At a glance
Ranking trend: Improving — 23rd percentile in 2015 → 35th in 2025
Strengths
Ranking is trending up — up 12 percentile points since 2015
Worth a look
!Test scores below the Georgia average (29% vs 42% meeting standards)
!High chronic absenteeism (48% vs 20% Georgia)
!Biology scores 26 pts below the Georgia average
Students meeting standards (2024-2025) ?
This school29%
District avg33%
Georgia avg42%
295th of 452
Georgia public high schools ?
Bottom 35%▲ up 12 pts since 2015
From bottom 23% (2015) to bottom 35% (2025)
See the entire ranking list of Georgia High Schools →
SchoolDigger rating ?
13th of 23High Schools in the DeKalb County
131st of 206DeKalb County among Georgia districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankGeorgia percentileRating
202530.2295 of 45234.7%★★☆☆☆
202420.1360 of 45821.4%★☆☆☆☆
202322.0330 of 44225.3%★☆☆☆☆
202222.7319 of 42925.6%★☆☆☆☆
202117.7345 of 41015.9%★☆☆☆☆
201919.9351 of 43819.9%★☆☆☆☆
201821.7337 of 42821.3%★☆☆☆☆
201719.9340 of 42019.0%★☆☆☆☆
201628.5296 of 42630.5%★★☆☆☆
201523.9337 of 43522.5%★☆☆☆☆
201436.9289 of 42532.0%★★☆☆☆
201337.6294 of 42530.8%★★☆☆☆
201242.7248 of 39637.4%★★☆☆☆
201144.9253 of 40237.1%★★☆☆☆
201043.3239 of 38437.8%★★☆☆☆
200944.6234 of 37237.1%★★☆☆☆
200837.4265 of 37028.4%★☆☆☆☆
200732.5276 of 35822.9%★☆☆☆☆
200617.0306 of 3358.7%☆☆☆☆☆
By subject vs Georgia (2024-2025) ?
United States History36%-3 vs state
Algebra I33%-12 vs state
American Literature and Composition30%-11 vs state
Biology19%-26 vs state

3.3
4 ratings · 2 written reviews
52
40
30
21
11
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What people are saying
by a citizen
Friday, May 25, 2018

Open Quote The school could do way better and making sure the students stay in school by offering more opportunities for the students to do community service. Close Quote


by a student
Saturday, December 17, 2011

Open Quote it not a good school i just moved from there because of poor teaching skills and most people are failing Close Quote





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Frequently Asked Questions about Miller Grove High School

Miller Grove High School ranks 295th of 452 Georgia high schools. SchoolDigger rates this school 2 stars out of 5.

Students at Miller Grove High School are 92% African American, 6% Hispanic, 1% Two or more races.

Miller Grove High School is fed by the following schools:

Elementary : Panola Way Elementary School
Elementary : Woodridge Elementary School
Middle : Miller Grove Middle School

In the 2024-25 school year, 1,073 students attended Miller Grove High School.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Georgia Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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