[3] Arroyo's athletic teams compete in the Mission Valley League, which is part of the CIF Southern Section.

Athletic programs at Arroyo High School include: Football, Cheer, Tennis, Volleyball, Cross Country, Basketball, Soccer, Wrestling, Track and Field, Baseball, and Softball.

[4] Arroyo High School offers a variety award-winning performing arts programs, including Drama, Choir, Orchestra, Band, and Color Guard.

Arroyo High School offers a wide variety of academic, cultural, creative, and community service clubs for students to join.

These clubs provide opportunities to explore interests, develop new skills, build meaningful connections with peers, and help out the community.