All staff can be contacted via email by using their cypher followed by @aranui-high.school.nz
| Batcheler, Sia | ESOL, Pasifika Pastoral Care |
| Bishop, Steve | Services Academy Director |
| Bladen, Debbie | Physical Education, Year 11 Dean |
| Blomfield, Melanie | Science |
| Boothby, Helen | Science, Specialist Classroom Teacher |
| Breukelaar, Wil | Textiles, Home Economics |
| Briggs, Lauren | Head of ESOL/International |
| Campagnolo, Kit | Maths, Graphics |
| Carswell, Sue | Head of English |
| Cook, Dave | Head of Design Technology/Trades |
| Cullen, Murray | Head of Digital Technologies, CISCO |
| Daines, Murray | Maths, Physics |
| Dearsley, Paul | Assistant Head of English |
| Dudding, Richie | Science, Biology |
| Emson, LJ | Teacher in Charge of Health, Physical Education, Head of Junior School |
| Flanagan, Margaret | Guidance Counsellor |
| Free, Jennifer | Japanese, Social Sciences |
| Furness, Maree | Assistant Principal |
| Gilbert, Robert | Head of Drama |
| Hawker, Liz | Assistant Principal |
| Henderson, Chris | Social Sciences |
| Herman, Jane | Head of Music |
| Hlavac, Margaux | English |
| Hoffman, Paul | Assistant Head of Physical Education, Year 9 Dean |
| Hoffman, Tania | Sports Development Academy |
| Holderness, Charon | Adult ESOL |
| James, Lindsey | Careers Advisor, Employment Skills, Childcare |
| Keating, Lisa | Science, English, Outdoor Education |
| Knops, Bert | Head of Physical Education, Sports Director, Basketball |
| Knops, Dianne | Head of Learning Support |
| Kyle, Scott | Physical Education |
| Lamb, Jenny | Learning Support Centre |
| Le Cren, Bree | Drama |
| Leota, Taufao | Samoan, Pasifika Family Liaison |
| Mahuika, Irihapeti | Teacher in Charge of Te Reo Maori |
| Murphy, Shaun | Teacher in Charge of Art |
| Murphy, Siobhan | Head of Social Sciences |
| Nijdam, Francine | Assistant Head of Maths |
| Osborne, Paul | Head of Maths |
| Painter, Amelia | Digital Technologies, Social Sciences, Year 10 Dean |
| Paki, Dave | Carving Tutor |
| Payne, Steve | Services Academy |
| Phillips, Tanya | Head of Literacy, English, Year 12/13 Dean |
| Poi, Hori | Maori Liaison – Pastoral Care |
| Porteous, Gary | Head of Home Economics, Academies Dean |
| Price, Bridget | Commerce, Maths |
| Robertson, Carole | Food Technology |
| Rohs, John | Principal |
| Stock, Matt | Head of Science |
| Taylor, Jude | Adult ESOL |
| Timo, Seta | Music |
| Wairau, Te Iwi Ngaro (Te) | Rugby League Academy Tutor |
| Wilson, Amy | Social Sciences, History |
| Withell, Brenda | Childcare Academy |
| Young, Jacky | Deputy Principal |