There are TWO international school in Okinawa offering K12 education.
Click the below school name(s) to get the details of the international school.
Okinawa Christian School International
Nakagami district, Okinawa
Da Vinci International School
Uruma City, Okinawa Pref.
There is ONE international school that offer international education from 1 year old to KG
SANTA MONICA OKINAWA INTERNATIONAL SCHOOL
Pre-KG to Grade 12
210-6 Hamagawa Chatan-cho Nakagami-gun Okinawa pref
http://www.santamonicainternationalschool.com/