| School Name | Whanganui High School |
| School ID | 189 |
| Principal | Martin McAllen |
| 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 should not be requested, unless for a school camp |
| Definition | Not Applicable |
| Col id | 99218 |
| Col name | Takitini Tahi Kāhui Ako |
| Location | 76 Purnell Street, Whanganui |
| Census Area Unit | Wanganui Collegiate |
| Ward | Area Outside Ward |
| Postal Details | P O Box 4022, Whanganui, 4541 |
| Territorial Authority | Whanganui District |
| Regional Council | Manawatu-Wanganui Region |
| Education region | Taranaki/Whanganui/Manawatu |
| General Electorate | Whanganui |
| Mori electorate | Te Tai Hauauru |
| Local office name | Whanganui |
| Isolation index | 0.81 |
| Melaa | 7 |
| Decile | 4 |
| International | 54 |
| Management Contact Name | Martin McAllen |
| Telephone | 06-3490178 |
| Fax | 06-3490176 |