NUI Students are instructed by sixty-six full and part time teachers allowing for the advantages of a low student/teacher ratio. In addition to the teachers who have Bachelor's Degrees in their fields, fourteen have Master's Degrees and four have PhD's. All of the foreign language teachers are native speakers of the language they teach. The teachers have a median of nine years of teaching experience and many have additional experience working in their respective fields.

School Administrative Council

The administrative and educational affairs of the school are managed by the School Executive Committee. The School Executive Committee currently consists of seven members: the Principal, the Vice-Principal, the High School Coordinator, the Middle School Coordinator, the Annex Coordinator, the Technology Coordinator, and a Staff Representative elected by the current year staff.