Private education in Hawai‘i offers a powerful blend of rigorous academics, smaller class sizes, and vibrant community values. Based on the latest rankings and profiles from sources like Niche, Stackr, and PrivateSchoolReview, here’s a curated list of standout schools from O‘ahu to Hawai‘i Island and Maui.

1. ʻIolani School (Honolulu, O‘ahu)

A culturally diverse, co-ed K–12 prep school grounded in Episcopal tradition, ʻIolani places a strong emphasis on unity—"One Team." With about 2,200 students and a 10:1 student-teacher ratio, it’s one of the most respected institutions in the state.
NicheWikipedia

2. Punahou School (Honolulu, O‘ahu)

A college-prep K–12 powerhouse, Punahou boasts robust programs in STEM, arts, and athletics, alongside a deep emphasis on global awareness. It enrolls roughly 3,700 students, maintaining strong reputation and community presence.
NicheCollegeVineStacker

3. Asia Pacific International School (Hauʻula, O‘ahu)

As a smaller, internationally oriented K–12 school, it offers a close-knit learning environment with one-on-one attention—about a 6:1 student-teacher ratio. A high level of personalization in education makes it a strong choice for families seeking high engagement.
NicheStacker

4. Hawai‘i Preparatory Academy (Kamuela, Hawai‘i Island)

This K–12, co-ed college-prep school combines day and boarding options amid the beautiful rural setting of Kamuela. Known for its support of both local and boarding students and its emphasis on experiential learning.
WikipediaNiche

5. Seabury Hall (Makawao, Maui)

A Episcopal-affiliated elevating middle and high school (grades 5–12), Seabury Hall offers a 10:1 student-teacher ratio and is recognized as a U.S. Department of Education Blue Ribbon School.
WikipediaNiche