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Bonnie Branch Middle
Test scores
MCAP 2024-25 . % Proficient (Levels 3-4)What this means: On the MCAP, Maryland's statewide test, about 62 of every 100 students at this school read and write at grade level and about 41 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 6 points since 2023, while math scores have held steady.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 50% of students here test proficient in math and reading, compared with the roughly 57% 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 Bonnie Branch Middle
Located at 4979 Ilchester Rd, in Ellicott City, Maryland, Bonnie Branch Middle is a moderately sized middle school that serves 739 students (grades 6 through 8), overseen by Howard County Public Schools.
Howard County Public Schools comprises 77 schools with combined enrollment of 57,565 students; Bonnie Branch Middle is among them.
On demographics, Bonnie Branch Middle reports that 35% of students identify as White, with the remaining enrollment distributed across several groups; the rest consists of 23% Black, 19% Asian, 17% Hispanic, 6% multiracial. The wider county runs roughly 47% White, putting the school's mix considerably less White than the area baseline.
In terms of school funding signals, Staff filings list 53 full-time-equivalent teachers, which works out to roughly 14.1:1 students per teacher. The state averages about 14.3:1, putting this campus right in line with peers. An estimated 29% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.
On a residual basis (actual vs predicted given the student mix), Bonnie Branch Middle performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 56.9%, the actual is 49.6%, a residual of -7.3 points.
Across the wider county, the surrounding county (Howard County) records that the typical household earns roughly $149,763 per year, 65% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. Bonnie Branch Middle is one of 78 public schools in Howard County (combined enrollment of about 57,565 students).
Nearest neighbor: Ilchester Elementary, around 0.1 miles off. Counting just inside five miles, 8 other public schools cluster around Bonnie Branch Middle. Ranking that nearby cluster on reported proficiency puts Bonnie Branch Middle at 7th of 9; the average score across the group is 63.9%.
Bonnie Branch Middle operates from a residential location.
Over the past 7-year window. Looking back 7 years, enrollment at Bonnie Branch Middle has rose 3%, going from 716 students in 2018 to 739 in 2025. The White share of enrollment shrank from 40% to 35% over that span.
On allk12, the feed for Bonnie Branch Middle typically covers fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.
Howard County at a glance
View full county profileQuick facts
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