ɹˈɪvɚdˌeɪl ɪz klˈæsᵻfˌaɪd æz ɐ θɹˈiː ˈeɪ skˈuːl baɪ ðɪ ˈɔːɹɪɡən skˈuːl æktˈɪvᵻɾiz ɐsˌoʊsɪˈeɪʃən, bˌʌt mˈɛnɪəv ðə skˈuːlz spˈoːɹts tˈiːmz kəmpˈiːt ɪn ˈʌðɚ dᵻvˈɪʒənz.
Riverdale is classified as a 3A school by the Oregon School Activities Association, but many of the school's sports teams compete in other divisions.