As a senior, Manupuna earned first-team all-state honors from both the Honolulu Advertiser and Star-Bulletin for St. Louis School in Honolulu, Hawaii. SuperPrep named him to its All-Far West team, ranked as the No.
Manupuna's senior year was marked by notable achievements, including first-team all-state honors from both the Honolulu Advertiser and Star-Bulletin for his outstanding performance at St. Louis School in Honolulu, Hawaii. He also received recognition as part of SuperPrep's All-Far West team.