1
Parents: what's one thing you'd want the Catonsville High administration to hear?
Community prompt from u/allk12. Replies below.
Enrollment
1,735
High
DISTRICT 1,070 · STATE 1,185
SCHOOL COMMUNITY·BALTIMORE COUNTY PUBLIC SCHOOLS·NCES 240012000355
Catonsville High
421 Bloomsbury Ave, Baltimore, MD 21228 · (410) 887-0808 · Baltimore County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,735 STUDENTS
A-
allk12 Grade
Scored higher than 78% of Maryland public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maryland public high schools
Student : Teacher
17.4:1
100 FTE teachers
DISTRICT 14.9:1 · STATE 15.3:1
Free / Reduced Lunch
41%
707 students
DISTRICT 55% · STATE 54%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 417 | 24% |
| Grade 10 | 455 | 26% |
| Grade 11 | 416 | 24% |
| Grade 12 | 447 | 26% |
Student demographics
72%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 72% · STATE 73% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
MCAP 2024-25 . % Proficient (Levels 3-4)English Language Arts
62.5%
MD avg 50.6% . -6.3pp since 2023
Math
10.0%
MD avg 34.8% . -13.6pp since 2023
What this means: On the MCAP, Maryland's statewide test, about 63 of every 100 students at this school read and write at grade level and about 10 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are down about 6 points since 2023, while math scores are down about 14 points.
MCAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 62.5% | 10.0% |
| 2023-24 | 68.8% | 23.6% |
% Proficient (Levels 3-4), all students and all tested grades.
Source: MCAP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
41.2%
composite math + reading, all grades
Predicted
50.1%
based on MD schools with similar FRL share
Beats by
-8.9pp
below demographic expectation
What this means: About 41% of students here test proficient in math and reading, compared with the roughly 50% typical for Maryland schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Maryland's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Catonsville High
Catonsville High's state test result (41.2% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Catonsville High this school | 1,735 | 40.7% | 41.2% |
| Perry Hall High Baltimore | 2,012 | 46.4% | 32.4% |
| Dulaney High Timonium | 1,889 | 33.2% | 36.8% |
| Northwest High Germantown | 2,300 | 36.1% | 39.7% |
| Long Reach High Columbia | 1,334 | 37.6% | 36.2% |
| Hammond High Columbia | 1,159 | 37.4% | 42.7% |
Matched among Maryland high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Catonsville High ranks
Among high schools| Measure | This school | In Maryland | In Baltimore County |
|---|---|---|---|
| State test proficiency ranked highest first | 41.2% | #64 of 203 | #6 of 24 |
| Math proficiency ranked highest first | 10.0% | #144 of 206 ▼ 114 | #9 of 24 ▼ 5 |
| Reading proficiency ranked highest first | 62.5% | #93 of 206 ▼ 44 | #7 of 24 ▼ 1 |
| Enrollment ranked largest first | 1,735 | #51 of 234 | #7 of 32 |
| Students per teacher ranked fewest first | 17.4:1 | #153 of 210 | #18 of 24 |
| Diversity index ranked most diverse first | 72.1% | #22 of 211 | #3 of 24 |
| Free and reduced lunch ranked highest share first | 40.7% | #144 of 212 | #18 of 25 |
| Enrollment change since 2017-18 ranked steepest decline first | -2.7% | #57 of 76 | #5 of 8 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,735
-74 (-4%) vs 2020
+57% since 1990-91, when it was 1,102
Student : Teacher
17.4:1
was 15.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,735 | 99.5 | 17.4:1 | 41% (707) |
| 2023-24 | 1,733 | 108 | 16.1:1 | 41% (707) |
| 2022-23 | 1,729 | 107.7 | 16.1:1 | 42% (734) |
| 2020-21 | 1,809 | 114 | 15.9:1 | 38% (680) |
| 2017-18 | 1,783 | 103.2 | 17.3:1 | 32% (573) |
| 2015-16 | 1,737 | 102 | 17.0:1 | 28% (482) |
| 2010-11 | 1,787 | 112 | 16.0:1 | 25% (450) |
| 2000-01 | 1,350 | 77 | 17.5:1 | 9% (117) |
| 1990-91 | 1,102 | 64 | 17.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Catonsville High.
Since 2017-18: students down 3% (1,783 to 1,735); teachers down 4% (103.2 to 99.5).
About Catonsville High
Catonsville High serves students in Baltimore, Maryland, as a medium-sized high school. Enrollment is 1,735 students in 2024-25, and the school serves grades 9 through 12. The average for high schools in Maryland is about 1,185 students, so this school is 46% bigger than average.
Catonsville High is among 177 schools run by Baltimore County Public Schools, which serves 110,872 students.
At Catonsville High, the largest share of students is White, at 43%. The school is also 23% Black, 16% Asian, 11% Hispanic, and 6% multiracial. That is lower than the 53% White share among all Baltimore County residents. The school's diversity index is 72%, meaning two students picked at random have a 72% chance of belonging to different racial or ethnic groups.
Catonsville High employs 99.5 full-time-equivalent teachers. That gives a ratio of about 17.4:1. The school has more students per teacher than the 15.3:1 average for high schools in Maryland. Catonsville High's free or reduced-price lunch eligibility rate is 41%. Public schools in Baltimore County average 53%.
allk12 grades Catonsville High an A-. The grade compares the school only with Maryland public high schools, because each state gives its own test.
Based on its free or reduced-price lunch share, the BeatsExpectations model predicts an average proficiency rate on state tests of 50.1% for Catonsville High. The school posts 41.2%, 8.9 points below the prediction.
Within Baltimore County, the median household income is $91,768, the share of adults with a bachelor's degree or higher is 42%, and about 7% of people live in poverty. Besides Catonsville High, Baltimore County has 179 other public schools.
Of nearby public schools, Catonsville Center for Alternative Studies is the closest, at about 0.6 miles. In all, at least 8 other public schools sit within five miles of Catonsville High. In a group of 7 nearby schools with scores, Catonsville High ranks 6th on average proficiency.
The NCES locale for Catonsville High is Suburb: Large, which covers schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Over 4 years, Catonsville High's enrollment declined 4%, to 1,735. The number of students per teacher rose from 15.9 to 17.4 over 4 years.
Questions about enrollment questions, class placement, and PTA news can be posted here. Questions from prospective families are welcome too.
Baltimore County at a glance
View full county profilePopulation
850,796
Census ACS
Median income
$91,768
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
180
110,872 students
Quick facts
Related schools
Other schools in Baltimore County Public Schools
- Dundalk HighHigh · 2,087 students
- Perry Hall HighHigh · 2,012 students
- Woodlawn HighHigh · 1,922 students
- Kenwood HighHigh · 1,900 students
- Dulaney HighHigh · 1,889 students
- Parkville HighHigh · 1,877 students
Other schools in Baltimore
- Dundalk HighHigh · 2,087 students
- Perry Hall HighHigh · 2,012 students
- Woodlawn HighHigh · 1,922 students
- Kenwood HighHigh · 1,900 students
- Parkville HighHigh · 1,877 students
- Mergenthaler Vocational-Technical HighHigh · 1,714 students
Nearby schools
- Catonsville Center for Alternative Studies0.6 mi · 68
- Catonsville Elementary0.8 mi · 653
- Hillcrest Elementary1.1 mi · 678
- Western School of Technology1.2 mi · 942
- Arbutus Middle1.6 mi · 974
- Westowne Elementary1.9 mi · 635
Frequently asked questions
About Catonsville HighHow large is Catonsville High?
Catonsville High enrolls approximately 1,735 students in grades 09-12.
Is Catonsville High an elementary, middle, or high school?
Catonsville High is a high school covering grades 09-12.
How many teachers does Catonsville High have?
Catonsville High employs 100 FTE teachers, for a student-to-teacher ratio of 17.4:1.
What is the student diversity at Catonsville High?
Student demographics at Catonsville High are roughly 43% White, 11% Hispanic, 23% Black, 16% Asian, 6% Two or more.
Who oversees Catonsville High?
Catonsville High is overseen by Baltimore County Public Schools in Baltimore County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.