Dulaney High

High school·Grades 9-12 Timonium, Maryland·21093
Score
66.6/100
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#68
Among 202 Maryland high schools
#6
In Baltimore County Public Schools
Top 34%
In Maryland

Score 66.6/100: better than 66% 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
61%
Similar Maryland schools ≈ 60%, better than 50% of them
512 students tested
Math
15%
Similar Maryland schools ≈ 13%, better than 70% of them
498 students tested
Science
66%
Similar Maryland schools ≈ 49%, better than 76% of them
462 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 1061.1512
English language artsAll gradesMCAP English Language Arts All Grades61.1512
MathHigh schoolMCAP Algebra 17.4242
MathHigh schoolMCAP Algebra 228.5130
MathHigh schoolMCAP Geometry15.1126
MathAll gradesMCAP Mathematics All Grades14.9498
ScienceHigh schoolMCAP High School Science65.6462
Social studiesHigh schoolMCAP American Government56.837

School profile

Grades
9-12
Students
1,845
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,845
Typical high school: 1,183
Free or reduced-price lunch
34%
Typical high school: 49%

District and location

City
Baltimore County

Contact

Address
255 E Padonia Road
Timonium, MD 21093

"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

Dulaney High at a glance

Dulaney High is a public high school in Timonium, Maryland, serving grades 9-12. It is part of Baltimore County Public Schools. It has about 1,845 students (a typical Maryland high school has 1,183). About 34% 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, 61% in English language arts (similar schools: 60%) and 15% in math (similar schools: 13%) reached the state standard (% proficient). On our score, which compares it only with other Maryland high schools, it scores 66.6 out of 100: better than 66% of them, ranking #68 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.