James Cook High and Pukekohe High will square off in the final of the Girls 12s competition in Bhana Family Farms Counties Manukau Secondary Schools Rugby on Friday night.
James Cook have been the dominant side all season, but Pukekohe created an upset in the semi-finals when they accounted for Alfriston College.
Papakura High and Alfriston College will play off for third and fourth place while Tuakau College and Waiuku College will battle it out for fifth place.
All games are at Massey Park on Friday.
Waiuku College will make their bid for the 1st XV Challenge Shield when they meet Pukekohe High at Waiuku College on Saturday.
The home side will be hoping to protect their fourth place on the table against the top ranked side.
Second and third will meet in an intriguing battle when Papakura High travels to Tuakau College.
Manurewa High hosts Rosehill College in the final game of the weekend.
Papakura High hosts Alfriston College in a Thursday night Boys U15 Open game.
Elsewhere, Tuakau College and Pukekohe High play at Onewhero on Saturday while Waiuku College travels to Te Kauwhata College.
In Boys U14 Open, Wesley College and Pukekohe High meet at Wesley while Tuakau College hosts St Ignatius.