| School Name | Onslow College |
| School ID | 269 |
| Principal | Sheena Millar |
| School gender | Co-Educational |
| Authority | State |
| Organisation Type | Secondary School (Year 9-15) |
| Boarding Facilities | No |
| Education medium | All students in English Medium |
| School Donations | Donations may be requested |
| Definition | Not Applicable |
| Col id | 99139 |
| Col name | Te Kāhui Ako o Tarikākā | Northern Suburbs Kāhui Ako |
| Location | Burma Road, Wellington |
| Google Address | Burma Road, Johnsonville, Wellington 6035, New Zealand |
| Rating | 3.6 base on 74 reviews |
| Census Area Unit | Raroa |
| Ward | Northern Ward |
| Postal Details | Private Bag, Wellington, 6440 |
| Territorial Authority | Wellington City |
| Regional Council | Wellington Region |
| Education region | Wellington |
| General Electorate | Ohariu |
| Mori electorate | Te Tai Tonga |
| Local office name | Wellington |
| Isolation index | 0.19 |
| Melaa | 34 |
| Decile | 10 |
| International | 56 |
| Management Contact Name | Sheena Millar |
| Telephone | 04-4788189 |
| Fax | 04-4771140 |