|School Size||2118 (March 2016)|
In VHSL, Osbourn was part of the VHSL Northwest Region until the 2014 VHSL Realignment. Between then and the 2018 VHSL Realignment, the school was part of VHSL Region 6A North. Starting with the 2017-18 season, Osbourn will be part of VHSL Class 6 Region D.
Osbourn won the VHSL Northwest Region tournament in 2004 and placed second in 1998, 2010, and 2012. Oakton won the Conference 8 tournament in 2017, and was runner-up in 2014 and 2016.