St Mary's College, Auckland
| St Mary's College | |
|---|---|
| Address | |
11 New Street, Ponsonby | |
| Coordinates | 36°50′47″S 174°44′54″E / 36.8463°S 174.7484°E |
| Information | |
| Type | State-integrated secondary |
| Motto | Mater Misericordiæ (Mother of mercy) |
| Religious affiliation(s) | Roman Catholic |
| Established | 1850; 175 years ago |
| Ministry of Education Institution no. | 50 |
| Principal | Sarah Dwan |
| Years | 7–13 |
| Gender | Girls |
| School roll | 1,015 (March 2025) |
| Socio-economic decile | 8P |
| Website | stmaryak.school.nz |
St Mary's College is a year 7–13 integrated Catholic girls' high school situated at 11 New Street, Ponsonby, Auckland in New Zealand. It was founded by the Sisters of Mercy in 1850 and is the oldest existing school in central Auckland, and oldest secondary girls school in New Zealand.