Average
#823 of 1,363 schools in MD
Old Mill High
High School · Anne Arundel County Public Schools
600 Patriot Ln, Millersville, MD 21108
Enrollment
2,489
Student-Teacher
17.2:1
Score
5.7
Grades
9th – 12th
Enrollment
2,489
Student-Teacher
17.2:1
Score
5.7
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Maryland schools
#823 of 1,363
In Millersville
#5 of 6
public schools
In district
#72 of 123
Anne Arundel County Public Schools
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Old Mill High
High School in Millersville · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Old Mill Middle North
0.1 mi away. Use as a geographic alternative in the same move search.
Old Mill Middle South
0.1 mi away. Use as a geographic alternative in the same move search.
About Old Mill High
Old Mill High is a public high school in Millersville, MD, part of Anne Arundel County Public Schools. Old Mill High serves approximately 2,489 students, and covers grades 9th-12th, and has a 17.2:1 student-teacher ratio. Old Mill High has a current MySchoolScout rating of 5.7 out of 10 and ranks #823 of 1,363 schools in MD.
Structured state assessment records for Old Mill High show 65% math proficiency (multi-year average, 2009-2025) and 71% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 5.7 · Average
- District avg 6.0
- MD avg 6.1
What Parents Should Know
Old Mill High is a large school: 2,489 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.
34% of students at Old Mill High were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Old Mill High — Students at Old Mill High score 32% proficient, which is below what's typical for similar communities (expected: 43%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
45.4%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 28 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: 4.4/10.
How Old Mill High Compares
See how Old Mill High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
600 Patriot Ln, Millersville, MD 21108
Nearby Alternatives
Families considering Old Mill High may also want to explore other high schools in the area. Glen Burnie High (rated 4.9/10, 2.6 miles away, in nearby Glen Burnie), with a comparable rating. Another option is ARCHBISHOP SPALDING HIGH SCHOOL (rated 4.8/10, 0.9 miles away, in nearby Severn), with a comparable rating. Additionally, ARCHBISHOP SPALDING HIGH SCHOOL (rated 4.2/10, 0.9 miles away, in nearby Severn), a more accessible option. 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 | 0.1 mi | 6.0 |
| Old Mill Middle South Millersville | 0.1 mi | 6.4 |
| Ruth Parker Eason School Millersville | 0.3 mi | 2.5 |
| Rippling Woods Elementary Glen Burnie | 0.4 mi | 5.3 |
| Southgate Elementary Glen Burnie | 0.8 mi | 4.4 |
| ARCHBISHOP SPALDING HIGH SCHOOL Severn | 0.9 mi | 4.2 |
| ARCHBISHOP SPALDING HIGH SCHOOL Severn | 0.9 mi | 4.8 |
| Glen Burnie Park Elementary Glen Burnie | 1.3 mi | 5.9 |
| ST PAULS LUTHERAN SCHOOL Glen Burnie | 1.4 mi | 8.1 |
| Oakwood Elementary Glen Burnie | 1.5 mi | 4.8 |
| Woodside Elementary Glen Burnie | 1.5 mi | 4.9 |
| Shipley's Choice Elementary Millersville | 1.7 mi | 9.2 |
| Quarterfield Elementary Severn | 1.6 mi | 5.1 |
| HIGH ROAD SCHOOL OF ANNE ARUNDEL COUNTY Millersville | 2.0 mi | 7.5 |
| Corkran Middle School Glen Burnie | 2.3 mi | 5.9 |
| ELVATON CHRISTIAN ACADEMY Millersville | 1.8 mi | 6.0 |
| CALVARY BAPTIST CHURCH ACADEMY Glen Burnie | 2.1 mi | 6.8 |
| Richard Henry Lee Elementary Glen Burnie | 2.6 mi | 4.2 |
| Marley Glen School Glen Burnie | 2.2 mi | 2.8 |
| Glen Burnie High Glen Burnie | 2.6 mi | 4.9 |
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
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Charles Herbert Flowers High Springdale, MD | 5.7 |
| Crofton High School Gambrills, MD | 5.7 |
| Tuscarora High Frederick, MD | 5.7 |
| Bowie High Bowie, MD | 5.8 |
| Great Mills High Great Mills, MD | 5.6 |
| Watkins Mill High Gaithersburg, MD | 5.5 |
Frequently Asked Questions
Common questions about Old Mill High
What grades does Old Mill High serve?
Old Mill High serves students in grades 9th through 12th.
How many students attend Old Mill High?
Old Mill High has an enrollment of approximately 2,489 students.
What is the student-teacher ratio at Old Mill High?
The student-teacher ratio at Old Mill High is 17.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Old Mill High rank in MD?
Old Mill High ranks #823 of 1,363 schools in MD.
What is Old Mill High's MySchoolScout rating?
Old Mill High has a current MySchoolScout rating of 5.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Old Mill High?
Based on loaded state assessment records, Old Mill High has 65% math proficiency (multi-year average, 2009-2025) and 71% reading/ELA proficiency (multi-year average, 2009-2025).
Is Old Mill High a charter school?
No, Old Mill High is not a charter school. It is a traditional public school operated by the local school district.
Is Old Mill High a Title I school?
No, Old Mill High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Old Mill High?
45.4% of students at Old Mill High 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 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,489
- Student-Teacher Ratio
- 17.2:1
- Teachers (FTE)
- 145
- Free/Reduced Lunch
- 45.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Anne Arundel County
- Chronic Absenteeism (SY 2022-23)
- 33.9%
- Phone
- (410) 969-9010
- 4-Year Graduation
- 94.0%
Resources & Links
District
Anne Arundel County Public Schools- District Enrollment
- 84,346
- Schools in District
- 126
- Per-Pupil Spending
- $17,624
- District Rank
- #72 of 123
Other Schools in This District
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