'Iolani School The Chamber represents more than 2,000 businesses of all sizes representing 210,000 employees from a wide variety of industries that are contributing more than $32 billion in revenue to Hawaii’s economy. Learn more about our nonprofit members and their work in our community. Share: Education/Education ServicesSchools, Colleges & Education 'Iolani School Visit Website 563 Kamoku Street Honolulu, HI 96826 (808) 943-2202 (808) 943-2354 (fax) About Map About Iolani School is a K-12, co-educational, college preparatory day school. What's Nearby? Distance: 5 10 15 20 25 50 mi.