Col. Zadok Magruder High School (#510) is a secondary public school located in Rockville (Montgomery County), Maryland, United States. Magruder is named for Colonel Zadok Magruder, a Revolutionary War patriot and farmer. He was colonel in command of part of the Maryland militia and helped establish Montgomery County's government in 1776. The school is called simply "Magruder". The school first opened in 1970 at 149533 sqft, with 8th, 9th and 10th graders. In 1971, the same student body became 9th, 10th and 11th graders. The first graduating class was the Class of 1973 and numbered approximately 300. Major additions were added in 1974 (69000 sqft), 1994 (47151 sqft), and 2000 (31178 sqft of additions, 10519 sqft of renovation of the 1994 addition, and demolition of 1384 sqft of the 1994 addition). The building now totals 295478 sqft. Magruder has an International Studies Partnership with Hage Geingob High School in Windhoek, Namibia.

Areas Served

Magruder serves students living in Rockville, Gaithersburg, Derwood, and Redland. It feeds from two middle schools and six elementary schools:

Academics

Magruder students average a score of 1008 on the SAT, averaging 513 on the verbal section and 496 on the math section. As of 2024, Magruder is the 48th-ranked high school in Maryland and the 2603rd-ranked nationwide, according to U.S News and World Report.

Athletics

Notable alumni