- Home BOT/Staff Principal's Message Description of School School Life Student Life Departments OCOSA Newsletter Enrolments 2002 Options Welcome to Otahuhu College a co-educational secondary school situated in Otahuhu, Auckland, New Zealand. Otahuhu College 74-78 Mangere Road, Otahuhu, Auckland, New Zealand Private Bag 93317, Otahuhu, Auckland 1133, New Zealand Phone: 0064-9-270 1170 Fax: ...otahuhucollege.school.nz