Otago Boys' were the only unbeaten team in the Highlanders First XV competition at the end of the round-robin segment of the competition.
A feature of the OBHS win was the accurate goal kicking of Sio Tomkinson in the tricky wind conditions.
The midfield of Canaan Napier and Tyler Cameron both scored two tries and played a key role in Dunstan's 48-3 win over James Hargest at Alexandra.
It was the Central Otago team's first win of the season.
John McGlashan College continued on their merry way with a seven-try, 47-21 win over Mt Aspiring College at Wanaka.
South Otago bounced back after their big loss to Otago Boys' last week with a 14-try, 87-0 win over Central Southland College.
In other games Southland Boys' beat Waitaki Boys' 19-14, Menzies beat St Peter's College 19-8 and King's beat Gore 57-0.
