The Big Island Interscholastic Federation or BIIF Consists of 21 high schools that sponsor a number of athletic sports, including football, basketball, volleyball and soccer. All schools are located on the Island of Hawaii, which is governed by the County of Hawaii.
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions</small>
<small>bold denotes HHSAA tournament champions<br> <nowiki>*</nowiki> - While winning four consecutive Territorial titles from 1946 to 1949, Hilo did not participate in the BIIF circuit between 1947 and 1949</small>
<br />