Summary
Osbourn Park High is a large public high school in Manassas, VA, serving about 2,661 students in grades 9–12 as part of Prince William County Public Schools. The school currently ranks 185th out of 331 Virginia high schools (44th percentile) with a 2-star rating, a notable decline from its consistent 4-star status and 77th–87th percentile rankings between 2015–16 and 2021–22. Its graduation rate sits at 93.9%, slightly above the state average of 92.3%, while 69.1% of students now qualify for free/reduced lunch—up sharply from 47.5% in 2022–23. Chronic absenteeism has improved to 19.4% but remains above both the district (13.8%) and state (14.8%) averages.
Compared with nearby schools, Osbourn Park shows a mixed picture. It outperforms the closest city high schools—Osbourn High (84.4% graduation, ranked 315th) and Manassas Park High (86.6%, ranked 252nd)—despite similar or higher poverty levels. However, it lags higher-resource peers in the same district, such as Charles J. Colgan Senior High, Gainesville High, and Patriot High, which rank in the 78th–92nd percentile and post graduation rates above 98%. Osbourn Park also has a larger student-teacher ratio (17.0) and lower per-pupil spending ($9,940) than several area schools, including Chantilly High ($12,639) and Brentsville District High ($13,226).
There are clear bright spots at Osbourn Park. Ninth-grade SOL scores are strong, with high proficiency in Algebra I (83.3%), Geometry (96.1%), and Biology (88.7%), suggesting early high school success. The school also earns standout outcomes for African American students, ranking in the 95th percentile statewide for the 2025–26 school year. However, upper-grade scores drop sharply—12th-grade English Reading proficiency is 47.4% versus 70.2% statewide—and a significant gender gap exists, with female students ranking at the 55th percentile versus 37th for males. Chronic absenteeism has fallen by more than 10 percentage points since 2021–22, and several subgroups showed year-over-year improvement. With strong early achievement and improving attendance, Osbourn Park has a foundation to build on, though addressing upper-grade performance and resource gaps will be key to reversing its recent ranking decline.
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