Chatsworth School
Test scores
MCAP 2024-25 . % Proficient (Levels 3-4)What this means: On the MCAP, Maryland's statewide test, about 70 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are up about 7 points since 2023, while math scores are down about 4 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 63% of students here test proficient in math and reading, compared with the roughly 52% 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%.
7-year change
SY 2017-18 vs SY 2024-25About Chatsworth School
Chatsworth School is one of the intimate elementary schools in Reisterstown, Maryland, one of the schools within Baltimore County Public Schools, with 301 students on its rolls from grades pre-K through 5. Compared to the state average of about 481 students per school, that is 37% smaller than typical.
Within Baltimore County Public Schools, which oversees 177 schools and 110,872 students, Chatsworth School is one campus in the system.
For racial and ethnic makeup, Chatsworth School lists that the largest single group is Black, at 60% of enrollment. The remainder breaks down as 17% White, 8% Hispanic, 7% Asian, 6% multiracial. That is noticeably more Black than the county at large, where the share is closer to 31%.
Looking at school resources, Staff filings list 29 full-time-equivalent teachers, which works out to roughly 10.4:1 students per teacher. Statewide, the average ratio sits near 13.8:1, putting Chatsworth School tighter than the state norm the norm. Roughly 38% of students at Chatsworth School qualify for free or reduced-price lunch, often used as a Title I proxy. That share is lower than Baltimore County's rate of about 53%.
Adjusting for the school's free-and-reduced-lunch share, Chatsworth School tracks the demographic baseline. The model predicts 51.6% given the school's FRL share; actual proficiency is 62.8%.
In the broader community, ACS estimates for Baltimore County put the typical household earns roughly $91,768 per year, about 42% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. In all, Baltimore County runs 180 public schools (combined enrollment of about 110,872 students), of which Chatsworth School is one.
The closest other public school is Franklin Middle, roughly 0.2 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Chatsworth School at 1st of 9; the average score across the group is 34.1%.
Geographically, the school is in a suburban area.
Looking at the recent track record. Over the past 7-year window, the student count contracted 20%: 378 students in 2018 compared to 301 in 2025. The White share of enrollment contracted from 42% to 17% over that span.
Within the allk12 community for this school, the feed for Chatsworth School typically covers enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.
Baltimore County at a glance
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