A
Catonsville High
PublicHighGrades 9–12
421 Bloomsbury Ave, Baltimore, MD 21228 · (410) 887-0808 · Part of Baltimore County Public Schools
Students
1,735
Students per teacher
17:1
Free or reduced lunch
41%
Setting
Suburb
Grades
9–12
What stands out about Catonsville High
- School Grade A: near the top of Maryland’s public schools
- Math proficiency 7 pts above the state
- Reading / language arts 33 pts above the state
On the path
Where Overlea kids come from and go next.
6–828 middle schoolsDepends on your address
9–12Catonsville HighYou are here
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency26%
State average 19.3%
Reading / language arts68%
State average 35.5%
Location
Directions ↗














421 Bloomsbury Ave, Baltimore
Students
Enrollment by grade
Grade 9417
Grade 10455
Grade 11416
Grade 12447
Enrollment over time
1,809’20
1,813’21
1,729’22
1,733’23
1,735’24
Down 4.1% since 2020.
Who goes here
White 43%Black 23%Asian 16%Hispanic 11%Two or more races 6%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Catonsville High.
Other schools in Baltimore County Public Schools
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.