Catonsville High

High school·Grades 9-12 Baltimore, Maryland·21228
Score
52.2/100
Compare Catonsville High with another school
#97
Among 202 Maryland high schools
#7
In Baltimore County Public Schools
#9
In Baltimore
Top 49%
In Maryland

Score 52.2/100: better than 52% 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
66%
Similar Maryland schools ≈ 60%, better than 60% of them
445 students tested
Math
6%
Similar Maryland schools ≈ 13%, better than 32% of them
469 students tested
Science
54%
Similar Maryland schools ≈ 49%, better than 63% of them
440 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 1065.8445
English language artsAll gradesMCAP English Language Arts All Grades65.8445
MathHigh schoolMCAP Algebra 1≤5254
MathHigh schoolMCAP Algebra 217.8118
MathHigh schoolMCAP Geometry≤597
MathAll gradesMCAP Mathematics All Grades6469
ScienceHigh schoolMCAP High School Science53.9440
Social studiesHigh schoolMCAP American Government36.161

School profile

Grades
9-12
Students
1,733
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,733
Typical high school: 1,183
Free or reduced-price lunch
41%
Typical high school: 49%

District and location

City
Baltimore County

Contact

Address
421 Bloomsbury Ave
Baltimore, MD 21228

"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

Catonsville High at a glance

Catonsville High is a public high school in Baltimore, Maryland, serving grades 9-12. It is part of Baltimore County Public Schools. It has about 1,733 students (a typical Maryland high school has 1,183). About 41% 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, 66% in English language arts (similar schools: 60%) and 6% in math (similar schools: 13%) reached the state standard (% proficient). On our score, which compares it only with other Maryland high schools, it scores 52.2 out of 100: better than 52% of them, ranking #97 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.

Compare Catonsville High with another school

Page updated 2026-10-12.