Old Mill High
🇺🇸 Official data · 2025Millersville, Maryland 21108 · Anne Arundel County Public Schools
#125 of 197 high schools in Maryland
#9648 of 16,910 nationally
About Old Mill High
Old Mill High is a public high located in Millersville, in the Anne Arundel County Public Schools school district of Maryland, United States. It caters for Grades 9–12. In 2025 it enrolled 1,832 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 45.2 out of 100, placing it in the lower 50% of high schools in United States and 125th of 197 ranked high schools in Maryland. Its strongest component is math proficiency (49th percentile), and its weakest is students per teacher (43th percentile).
Other published figures: enrollment 1,832.
There are 5 schools in Millersville; Old Mill High ranks 4th of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)39%
- Reading proficiency (30%)50%
- Community advantage (fewer free/reduced-price lunch) (25%)56%
- Students per teacher (15%)15.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Old Mill High by the official sources.
- Enrollment
- 1,832
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 56%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.8
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 50%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 39%
- Share of tested students proficient or above (all students, all grades).
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Schools near Old Mill High
Closest schools by straight-line distance, with their Success Index (US).
Old Mill Middle North
Millersville · Public middle · Grades 6–8
958 students · 176 m away
Rippling Woods Elementary
Glen Burnie · Public elementary · Grades PK–5
702 students · 654 m away
Old Mill Middle South
Millersville · Public middle · Grades 6–8
1,173 students · 929 m away
Severn Run High School
Severn · Public high · Grades 9–12
1,608 students · 1.2 km away
Southgate Elementary
Glen Burnie · Public elementary · Grades PK–5
573 students · 1.3 km away
Glen Burnie Park Elementary
Glen Burnie · Public elementary · Grades PK–5
555 students · 2.1 km away
Woodside Elementary
Glen Burnie · Public elementary · Grades PK–5
330 students · 2.3 km away
Oakwood Elementary
Glen Burnie · Public elementary · Grades PK–5
309 students · 2.4 km away
Quarterfield Elementary
Severn · Public elementary · Grades PK–5
544 students · 2.6 km away
Shipley's Choice Elementary
Millersville · Public elementary · Grades PK–5
344 students · 2.7 km away
Similar schools
Public high schools in Maryland with a comparable Enrollment.
Springbrook High
Silver Spring · Public high · Grades 9–12
1,838 students
Severna Park High
Severna Park · Public high · Grades 9–12
1,842 students
Frederick High
Frederick · Public high · Grades 9–12
1,821 students
Suitland High
Suitland · Public high · Grades 9–12
1,847 students
Thomas S. Wootton High
Rockville · Public high · Grades 9–12
1,870 students
Parkville High
Baltimore · Public high · Grades 9–12
1,877 students
Frequently asked questions
Is Old Mill High a good school?
Old Mill High has a Success Index (US) of 45.2 out of 100 (Lower 50% of high schools in United States) and ranks #125 of 197 in Maryland. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Old Mill High rank in Maryland?
Old Mill High ranks #125 of 197 high schools in Maryland and #9648 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Old Mill High?
Old Mill High had 1,832 students in 2025.
Is Old Mill High a elementary school or a high school?
Old Mill High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Old Mill High?
There are 10 schools within 15 km of Old Mill High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.