Greenoak International School
Greenoak International School ( GIS ) is a private primary and secondary school located in New GRA , Port Harcourt , Rivers State . 
<triplet> Greenoak International School <subj> Rivers State <obj> located in the administrative territorial entity <triplet> New GRA <subj> Port Harcourt <obj> located in the administrative territorial entity <triplet> Port Harcourt <subj> Rivers State <obj> located in the administrative territorial entity <triplet> Rivers State <subj> Port Harcourt <obj> capital