Average
#1055 of 1,363 schools in MD
Catonsville High
High School · Baltimore County Public Schools
421 Bloomsbury Ave, Baltimore, MD 21228
Enrollment
1,733
Student-Teacher
16:1
Score
5.2
Grades
9th – 12th
Enrollment
1,733
Student-Teacher
16:1
Score
5.2
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Baltimore
#193 of 267
public schools
Maryland high schools
#116 of 226
In district
#120 of 169
Baltimore County Public Schools
About Catonsville High
Catonsville High serves 1,733 students in grades 9-12 in Baltimore County, ranking in the 71st percentile statewide at #400 out of 1,364 Maryland schools. With 108 full-time teachers, the school maintains a 16:1 student-teacher ratio that allows for reasonable class sizes in this large suburban setting. Academically, Catonsville High shows solid performance in English Language Arts, with 64% of students scoring proficient or above across grade levels.
The school's math program has room for growth, with 35% of students meeting proficiency standards. Overall, the school earns a 6.6 out of 10 rating from MySchoolScout, reflecting a balance of strengths and areas for continued improvement. The school draws from an established community where nearly half of residents hold bachelor's degrees or higher, and the median household income reaches $102,592.
This educated, middle-class neighborhood in the 21228 ZIP code maintains a low poverty rate of just 7.9%, with median home values around $363,800. Catonsville High is situated on Bloomsbury Avenue in the heart of this well-established Baltimore County suburb, serving families in a community that values education and maintains strong residential stability.
Score Breakdown
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Catonsville High — Students at Catonsville High score 37% proficient, which is below what's typical for similar communities (expected: 48%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
40.8%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 8 test records from MD state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 2.5/10.
How Catonsville High Compares
See how Catonsville High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 47% (2019) to 11% (2025). Reading/ELA proficiency has declined from 69% (2019) to 62.5% (2025).
Location
421 Bloomsbury Ave, Baltimore, MD 21228
Nearby Alternatives
Families considering Catonsville High may also want to explore other high schools in the area. Western School of Technology (rated 6.4/10, 1.2 miles away), which scores notably higher. Another option is MOUNT DE SALES ACADEMY (rated 5.4/10, 1.9 miles away), with a very similar rating. Additionally, Catonsville Center for Alternative Studies (rated 4.8/10, 0.6 miles away), with a comparable rating. For more schools in Baltimore, see our Baltimore schools guide .
Nearby Schools
20 within 2.8 mi| School | Distance | Rating |
|---|---|---|
| Catonsville Center for Alternative Studies Baltimore | 0.6 mi | 4.8 |
| Catonsville Elementary Catonsville | 0.8 mi | 8.1 |
| ST MARK SCHOOL Catonsville | 1.0 mi | 6.1 |
| APPLE RIDGE MONTESSORI SCHOOL Catonsville | 1.0 mi | — |
| Hillcrest Elementary Baltimore | 1.1 mi | 6.9 |
| Western School of Technology Baltimore | 1.2 mi | 6.4 |
| WATSON HALL MONTESSORI SCHOOL Baltimore | 1.8 mi | — |
| Westowne Elementary Catonsville | 1.9 mi | 8.3 |
| Arbutus Middle Baltimore | 1.6 mi | 5.9 |
| MOUNT DE SALES ACADEMY Baltimore | 1.9 mi | 5.4 |
| EMMANUEL LUTHERAN SCHOOL Baltimore | 2.1 mi | 6.4 |
| Johnnycake Elementary Baltimore | 2.3 mi | 6.9 |
| ST PAUL LUTHERAN SCHOOL Baltimore | 2.0 mi | 6.0 |
| North Bend Elementary/Middle Baltimore | 2.2 mi | 8.9 |
| Maiden Choice School Baltimore | 1.9 mi | 4.7 |
| Arbutus Elementary Baltimore | 2.0 mi | 8.3 |
| Southwest Academy Baltimore | 2.8 mi | 5.6 |
| Westchester Elementary Baltimore | 2.3 mi | 5.6 |
| Relay Elementary Baltimore | 2.5 mi | 7.1 |
| Edmondson Heights Elementary Baltimore | 2.8 mi | 5.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 21228 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$107,714
Median Home Value
$389,200
Median Rent
$1,631/mo
Population
49,417
College Educated
49.8%
Homeownership
71.6%
Avg Commute
26.2 min
Poverty Rate
9%
Median Age
43.1
Community Profile
The community surrounding Catonsville High has a median household income of $107,714. It is a well-educated community where 50% of adults hold a bachelor's degree or higher. The median home value in the area is $389,200, with a median rent of $1,631/month. The local poverty rate of 9.0% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Arundel High Gambrills, MD | 5.2 |
| C. Milton Wright High Bel Air, MD | 5.2 |
| Paint Branch High Burtonsville, MD | 5.2 |
| Paul Laurence Dunbar High Baltimore, MD | 5.2 |
| Thomas S. Wootton High Rockville, MD | 5.2 |
| Atholton High Columbia, MD | 5.3 |
Frequently Asked Questions
Common questions about Catonsville High
What grades does Catonsville High serve?
Catonsville High serves students in grades 9th through 12th.
How many students attend Catonsville High?
Catonsville High has an enrollment of approximately 1,733 students.
What is the student-teacher ratio at Catonsville High?
The student-teacher ratio at Catonsville High is 16:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Catonsville High rank in MD?
Catonsville High is ranked #1055 out of 1,363 schools in MD.
What is Catonsville High's MySchoolScout rating?
Catonsville High has a composite rating of 5.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Catonsville High?
Based on the most recent state assessment data, Catonsville High has 29.8% math proficiency and 65.9% reading/ELA proficiency.
Is Catonsville High a charter school?
No, Catonsville High is not a charter school. It is a traditional public school operated by the local school district.
Is Catonsville High a Title I school?
No, Catonsville High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Catonsville High?
40.8% of students at Catonsville High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
- Walk Score
- 22 Car-Dependent
- Transit Score
- 41 Some Transit
- Bike Score
- 24 Somewhat Bikeable
- City Safety
- High (5,784/100K)
Powered by 
FBI UCR 2024. City-level (Baltimore). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,733
- Student-Teacher Ratio
- 16:1
- Teachers (FTE)
- 108
- Free/Reduced Lunch
- 40.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Baltimore County
- Phone
- (410) 887-0808
- Data Year
- 2023–2024
Resources & Links
District
Baltimore County Public Schools- District Enrollment
- 110,275
- Schools in District
- 179
- Per-Pupil Spending
- $18,666
- District Rank
- #120 of 169
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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