Other former soldiers who attended the school's Anzac commemoration - which was held this week because of the way school holidays fall - had served New Zealand in Vietnam, Malaysia, Borneo, Timor and many other countries.
The service was led by Reverend Tuha Panapa, also a veteran.
"The word Anzac has become one of the immortal names in history," Reverend Panapa told the students and other visitors.
In a moving dedication speech, senior students said the school's service was in memory of all New Zealanders who fought and died in fields of conflict.
"All cultures in this remarkable country should have an understanding and a place in their hearts for those who served this nation with distinction - and did not return.
"In support of others, more than 30,000 New Zealanders are buried in more than 60 countries and oceans of the world.
"We meet on Anzac Day to stand alongside the extended families of those who did not return. We also stand alongside the veterans that came back and we stand here today to remember those who did not return.
"They gave their today so we could have our tomorrow."
