This school is directed by the Dominican sisters and was founded in 1698. In the year 1896 it had:
| Nuns who acted as teachers | 16 |
| Lay sisters | 15 |
| Girls in residence | 140 |
| Servants and florists | 52 |
| Total | 223 |
School of Nuestra Señora del Rosario, of Lingayén (Pangasinan)
(Founded by the corporation, in 1890)
| Nuns who act as teachers | 7 |
| Resident pupils | 53 |
| Non-resident pupils | 13 |
| Servants | 10 |
| Total | 83 |
School of Nuestra Señora del Rosario of Vigan (Founded in 1893)
| Nuns who act as teachers | 7 |
| Pupils in residence | 65 |
| Servants | 7 |
| [Total] | 79 |