Aberdeen High

High school·Grades 9-12 Aberdeen, Maryland·21001
Score
47.8/100
Compare Aberdeen High with another school
#106
Among 202 Maryland high schools
#8
In Harford County Public Schools
Top 53%
In Maryland

Score 47.8/100: better than 47% of Maryland high 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
50%
Similar Maryland schools ≈ 60%, better than 33% of them
414 students tested
Math
13%
Similar Maryland schools ≈ 13%, better than 63% of them
639 students tested
Science
35%
Similar Maryland schools ≈ 49%, better than 35% of them
359 students tested
All Maryland schools (ELA / math)
52% / 28%
State average across every school type, 2025-26
All 8 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 10MCAP English Language Arts 1050414
English language artsAll gradesMCAP English Language Arts All Grades50414
MathHigh schoolMCAP Algebra 17.3510
MathHigh schoolMCAP Algebra 263.563
MathHigh schoolMCAP Geometry≤566
MathAll gradesMCAP Mathematics All Grades12.5639
ScienceHigh schoolMCAP High School Science35.4359
Social studiesHigh schoolMCAP American Government43.4274

School profile

Grades
9-12
Students
1,465
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,465
Typical high school: 1,183
Free or reduced-price lunch
49%
Typical high school: 49%

District and location

City
Harford County

Contact

Address
251 Paradise Rd
Aberdeen, MD 21001

"Typical" is the middle (median) high 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 high schools

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

Location

OpenStreetMap · Google Maps

Aberdeen High at a glance

Aberdeen High is a public high school in Aberdeen, Maryland, serving grades 9-12. It is part of Harford County Public Schools. It has about 1,465 students (a typical Maryland high school has 1,183). About 49% of students are eligible for free or reduced-price lunch, compared with 49% at a typical Maryland high school, which is useful context when reading test results.

In 2025-26 state tests, 50% in English language arts (similar schools: 60%) and 13% in math (similar schools: 13%) reached the state standard (% proficient). On our score, which compares it only with other Maryland high schools, it scores 47.8 out of 100: better than 47% of them, ranking #106 of 202. 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.