Old Mill Middle South

Middle school·Grades 6-8 Millersville, Maryland·21108
Score
39.1/100
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#137
Among 224 Maryland middle schools
#13
In Anne Arundel County Public Schools
#2
In Millersville
Top 62%
In Maryland

Score 39.1/100: better than 39% of Maryland middle schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% proficient on state tests in Maryland, all students. Colored bars are green when the school is at or above the average for similar Maryland schools.

English language arts
45%
Similar Maryland schools ≈ 53%, better than 38% of them
1,114 students tested
Math
17%
Similar Maryland schools ≈ 25%, better than 41% of them
1,118 students tested
Science
21%
Similar Maryland schools ≈ 33%, better than 34% of them
358 students tested
All Maryland schools (ELA / math)
52% / 28%
State average across every school type, 2025-26
All 11 published results by grade and test

As published by Maryland State Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 6MCAP English Language Arts 0645.6384
English language artsGrade 7MCAP English Language Arts 0750.3370
English language artsGrade 8MCAP English Language Arts 0840360
English language artsAll gradesMCAP English Language Arts All Grades45.31,114
MathHigh schoolMCAP Algebra 137.995
MathHigh schoolMCAP Geometryhidden (small group)—
MathGrade 6MCAP Mathematics 0617.4386
MathGrade 7MCAP Mathematics 0720.6369
MathGrade 8MCAP Mathematics 08≤5265
MathAll gradesMCAP Mathematics All Grades16.61,118
ScienceGrade 8MCAP Science Grade 821.2358

School profile

Grades
6-8
Students
963
Type
Middle school
Charter school
No
Program
Regular

Students

Enrollment
963
Typical middle school: 775
Free or reduced-price lunch
70%
Typical middle school: 50%

District and location

City
Anne Arundel County

Contact

Address
430 Old Mill Road
Millersville, MD 21108

"Typical" is the middle (median) middle school in Maryland. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby middle schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Old Mill Middle South at a glance

Old Mill Middle South is a public middle school in Millersville, Maryland, serving grades 6-8. It is part of Anne Arundel County Public Schools. It has about 963 students (a typical Maryland middle school has 775). About 70% of students are eligible for free or reduced-price lunch, compared with 50% at a typical Maryland middle school, which is useful context when reading test results.

In 2025-26 state tests, 45% in English language arts (similar schools: 53%) and 17% in math (similar schools: 25%) reached the state standard (% proficient). On our score, which compares it only with other Maryland middle schools, it scores 39.1 out of 100: better than 39% of them, ranking #137 of 224. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.