Below Average
#1177 of 1,363 schools in MD
Old Mill Middle South
Middle School · Anne Arundel County Public Schools
620 Patriot Ln, Millersville, MD 21108
Enrollment
963
Student-Teacher
13.2:1
Score
4.7
Grades
6th – 8th
Enrollment
963
Student-Teacher
13.2:1
Score
4.7
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Millersville
#5 of 6
public schools
Maryland middle schools
#179 of 224
In district
#114 of 123
Anne Arundel County Public Schools
School environment
7.5 / 10
Very strong
About Old Mill Middle South
Old Mill Middle South serves 963 students in grades 6-8 in Millersville, Maryland, operating as a regular public school in Anne Arundel County. With 73 full-time equivalent teachers, the school maintains a manageable 13.2-to-1 student-teacher ratio that allows for reasonable class sizes and individual attention. The school ranks 552nd out of 1,364 Maryland middle schools, placing it in the 60th percentile statewide with a MySchoolScout rating of 6.0 out of 10.
Academic performance shows mixed results, with 49% of students achieving proficiency in English Language Arts and reading, while mathematics presents an area with significant room for growth at 18% proficiency. These scores indicate the school is focusing on student development across core academic areas. Old Mill Middle South draws from an affluent suburban community where the median household income reaches $142,001 and the median home value is $527,700.
The surrounding ZIP code 21108 has a population of 18,046, with half of residents holding bachelor's degrees or higher and a low poverty rate of just 3.9%. The school benefits from its location in a large suburban setting that typically provides families with established neighborhoods and community resources supporting student success.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Old Mill Middle South — Students at Old Mill Middle South score 33% proficient, which is below what's typical for similar communities (expected: 50%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
38.5%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 8 test records from MD state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 3.1/10.
How Old Mill Middle South Compares
See how Old Mill Middle South performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 43% (2019) to 19.8% (2025). Reading/ELA proficiency has declined from 49% (2019) to 45.5% (2025).
Location
620 Patriot Ln, Millersville, MD 21108
Nearby Alternatives
Families considering Old Mill Middle South may also want to explore other middle schools in the area. Old Mill Middle North (rated 6.8/10), which scores notably higher. Additionally, Corkran Middle School (rated 5.5/10, 2.2 miles away, in nearby Glen Burnie), which scores slightly higher. For more schools in Millersville, see our Millersville schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| Old Mill Middle North Millersville | 0.0 mi | 6.8 |
| Old Mill High Millersville | 0.1 mi | 5.3 |
| Rippling Woods Elementary Glen Burnie | 0.4 mi | 7.3 |
| Ruth Parker Eason School Millersville | 0.4 mi | 4.3 |
| Southgate Elementary Glen Burnie | 0.7 mi | 5.6 |
| ST PAULS LUTHERAN SCHOOL Glen Burnie | 1.3 mi | 8.1 |
| ARCHBISHOP SPALDING HIGH SCHOOL Severn | 1.0 mi | 4.2 |
| ARCHBISHOP SPALDING HIGH SCHOOL Severn | 1.0 mi | 4.8 |
| Glen Burnie Park Elementary Glen Burnie | 1.3 mi | 8.8 |
| Oakwood Elementary Glen Burnie | 1.5 mi | 5.5 |
| Woodside Elementary Glen Burnie | 1.4 mi | 7.9 |
| Shipley's Choice Elementary Millersville | 1.7 mi | 5.9 |
| Quarterfield Elementary Severn | 1.7 mi | 6.9 |
| HIGH ROAD SCHOOL OF ANNE ARUNDEL COUNTY Millersville | 2.1 mi | 7.5 |
| Corkran Middle School Glen Burnie | 2.2 mi | 5.5 |
| ELVATON CHRISTIAN ACADEMY Millersville | 1.8 mi | 6.0 |
| CALVARY BAPTIST CHURCH ACADEMY Glen Burnie | 2.0 mi | 6.9 |
| Marley Glen School Glen Burnie | 2.1 mi | 4.3 |
| Marley Elementary Glen Burnie | 2.2 mi | 7.2 |
| Richard Henry Lee Elementary Glen Burnie | 2.6 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 21108 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$146,556
Median Home Value
$543,200
Median Rent
$2,030/mo
Population
17,894
College Educated
53.6%
Homeownership
87%
Avg Commute
26.9 min
Poverty Rate
3.5%
Median Age
41.5
Community Profile
The community surrounding Old Mill Middle South has a median household income of $146,556. It is a well-educated community where 54% of adults hold a bachelor's degree or higher. The median home value in the area is $543,200, with a median rent of $2,030/month. The local poverty rate of 3.5% is relatively low. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Annapolis Middle Annapolis, MD | 4.7 |
| Buck Lodge Middle Adelphi, MD | 4.7 |
| James Madison Middle Forestville, MD | 4.7 |
| Lansdowne Middle Baltimore, MD | 4.7 |
| New Market Middle New Market, MD | 4.7 |
| North Carroll Middle Hampstead, MD | 4.7 |
Frequently Asked Questions
Common questions about Old Mill Middle South
What grades does Old Mill Middle South serve?
Old Mill Middle South serves students in grades 6th through 8th.
How many students attend Old Mill Middle South?
Old Mill Middle South has an enrollment of approximately 963 students.
What is the student-teacher ratio at Old Mill Middle South?
The student-teacher ratio at Old Mill Middle South is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Old Mill Middle South rank in MD?
Old Mill Middle South is ranked #1177 out of 1,363 schools in MD.
What is Old Mill Middle South's MySchoolScout rating?
Old Mill Middle South has a composite rating of 4.7 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 Old Mill Middle South?
Based on the most recent state assessment data, Old Mill Middle South has 24.0% math proficiency and 47.1% reading/ELA proficiency.
Is Old Mill Middle South a charter school?
No, Old Mill Middle South is not a charter school. It is a traditional public school operated by the local school district.
Is Old Mill Middle South a Title I school?
No, Old Mill Middle South is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Old Mill Middle South?
38.5% of students at Old Mill Middle South 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. County-level only.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 963
- Student-Teacher Ratio
- 13.2:1
- Teachers (FTE)
- 73
- Free/Reduced Lunch
- 38.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Anne Arundel County
- Phone
- (410) 969-7000
- Data Year
- 2023–2024
Resources & Links
District
Anne Arundel County Public Schools- District Enrollment
- 84,346
- Schools in District
- 126
- Per-Pupil Spending
- $17,624
- District Rank
- #114 of 123
Other Schools in This District
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 methodologyGet school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.