John McGlashan College and King's High School remain unbeaten after five games in the Otago premier schools competition.
McGlashan beat Waitaki Boys' High School 22-0, while King's thrashed Taieri College 54-14.
In the other matches, Otago Boys' High School 2nd XV beat Dunstan High School 48-7, South Otago High School dispatched St Kevin's College 40-14 and Mt Aspiring College thumped Kavanagh College 62-0.