Holmes has had one of the finest careers of any athlete in Loudoun County High School history. In her career, she has been recognized multiple times as a first and second team member of the Dulles District, Region II, and All State teams. In 2009, Holmes was named the Division 4, Group AA State Player of the Year as she helped lead the Lady Raiders to the 2009 State Championship as she tallied 13 points – 15 rebounds in a 63-47 win over Turner Ashby.Holmes has also broken several school records. In the 2008 Dulles District Tournament Championship game, Holmes blocked 9 Freedom Eagle shots as County won that contest 48-47. She also owns the single game rebounding record as she pulled down an astonishing 31 rebounds in a 67-50 road win at Heritage High School. In the 2009 campaign, Holmes broke the single season rebound record with 373 rebounds as she averaged 12.4 per contest. Loudoun County opened its doors in 1954.