Part of Cluster 3, Annandale High School prides itself on a "tradition of excellence." The school’s 2,500 students derive from nearly 90 countries and speak over 50 languages. Activities at the school include a student-run ethics office, an ESOL transitional program, and a partnership with the Sigma Phi fraternity. The school also has eight active honor societies, an acclaimed Honor Band, and top orchestral programs. The school newspaper, A-Blast, is recognized nationwide as one of the top student newspapers. Annandale High School also offers free and reduced lunch for students.