Oturu School cross-country runner Jayde Florian, based just out of Kaitaia, is the northernmost competitor, while Tahuna Normal Intermediate swimmers Charlotte Underwood-Nicol and Madison Wills are making the trek up from Dunedin.
Northland will be represented by Ahipara School, Kaitaia Abundant Life School, Kaitaia Intermediate, Maungatapere School, Otamatea High School, Parua Bay School, Pompallier Catholic College, Purua School, Ruawai College, Tangiteroria School, Te Kura Kaupapa Maori o Pukemiro, Tikipunga High School, Whangarei Intermediate, Whangaroa College, Huanui College, Kamo Intermediate, Kerikeri High School, Manaia View School and Oturu School.
After a flurry of late entries, 8007 intermediate-aged competitors from 261 schools will be taking part across 19 sporting codes.
The numbers include 1164 netballers, 640 rugby players, 644 cross-country runners and 768 basketballers.
Yachting's debut has also attracted strong interest, with 64 sailors lining up for the Anchor-sponsored competition.