The top reported proficiency rate is 25% in Science. The lowest is 8% in Math.
Original Research by School Decision on Col. Zadok Magruder High
Col. Zadok Magruder High is a large regular public high school in Rockville, part of Montgomery County Public Schools, one of the most prominent and well-resourced districts in Maryland. The school serves students from ninth through twelfth grade and operates as a comprehensive neighborhood high school rather than a magnet or charter program. Its student body is notably diverse, with Hispanic students forming the largest group, followed by white, Black, and Asian students. A substantial share of students qualify for free or reduced-price lunch, giving the school a mix of economic backgrounds that reflects the broader Rockville area.
What a parent or resident can determine about academic performance is limited by the available data. Recent state testing results from the 2024-25 school year, covering English language arts across all grades, show that a majority of students scored at the proficient level or above. However, the pattern for math and science is less clear. The only other testing data comes from a single grade level in the 2020-21 school year, when the school was still navigating pandemic disruptions and assessment changes. Those results showed relatively low proficiency rates. That year’s assessments were also different from the current ones, so comparisons are not straightforward. No graduation rate, chronic absenteeism rate, or discipline data were available in the provided records, so a parent would want to ask the school directly about these outcomes. The school’s size means it likely offers a broad course catalog, but specific program offerings such as Advanced Placement, career pathways, or dual enrollment were not included in the available data.
The school sits in Rockville, a city that mixes residential neighborhoods with significant commercial and tech-sector employment. Home values in the area are well above national and even state benchmarks, and rents are similarly high, reflecting the demand for housing in this part of Montgomery County. The city has seen steady population growth and continued redevelopment, particularly in its downtown Town Center. For families, this means that housing near Magruder is expensive and competitive. Rockville is served by Metro rail, MARC commuter rail, and local bus lines, making it a location where commuting to Washington, D.C., or other job centers is feasible without a car, though the broader city remains car-dependent.
Within Montgomery County Public Schools, several district-level changes are relevant to families at Magruder. The district adopted a new elementary literacy curriculum starting in the 2023-24 school year, which will affect the preparation of students entering high school. The district’s operating budget has grown and now accounts for a large portion of the county’s total spending, reflecting a sustained fiscal commitment that influences property taxes and school resources. The district is also conducting a system-wide boundary analysis, which could eventually affect which students attend Magruder versus other high schools. A parent monitoring this process would want to stay informed about potential shifts in attendance zones.
Given the available picture, Col. Zadok Magruder High serves a large, diverse student body in a high-cost suburban environment within a well-funded public school system. The school’s recent English language arts results are moderate, but gaps in other academic indicators mean a family should seek out additional information directly from the school, particularly around graduation rates, postsecondary readiness, and support for students with disabilities or English learners, since those data were not reported. This school fits families who value a large, racially and economically diverse high school in a thriving suburban city with strong transit connections, and who are able to navigate the high housing costs of the area. It also fits parents who are comfortable with some ambiguity in performance data until they can verify details through school visits or conversations with administrators.
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