Due to a large number of students, an additional 2-story building, referred to as "The Annex", was added.

According to Pacific Stars and Stripes, in December 1996, Vice Principal James Feller resigned and fled Okinawa after learning he was being investigated for taking sexually suggestive photographs, including partially nude photos, of female students after learning he had been suspended and slated for removal.

The school has teams in baseball, softball, tennis, golf, volleyball, cheer, basketball, soccer, football, wrestling, cross country, and track.

[3] Kadena High School's JA-932 Air Force JROTC unit competed in the first DODEA Far East JROTC marksmanship competition involving Air Force cadets, in December, 2011, where one Kadena cadet won a novice 3rd place overall medal.

[4] Kadena High School hosted the 2012 DODEA Far East JROTC drill competition in March 2012.