In cross country, Collegiate's Liam Back went to the ISF champs in Paris last year, while Jane Lennox and team captain Christian Conder went in 2016 to Hungary.
Back, Sarah Lambert, Zach Bellamy and Whanganui High School's Rebecca Baker attended the Australian Schools championships on the Sunshine Coast last year, while this year Baker, Back and Lambert went again, alongside Collegiate's George Lambert and Andres Hernandez.
In track and field, the 2017 Australian Schools champs in Adelaide were attended by Osborne, Maples, Brunger, Grace Godfrey and Kieran Pere, while 2018 saw Maples, Brunger and Osborne return to the event in Cairns, alongside Back.
This year's Athletics Australia Championships in Sydney were attended by Maples, Sophie Williams, Lucas Martin and Whanganui High's Maggie Jones.
The 2020 New Zealand team with Brabyn, Alabaster and George Lambert will depart for Europe in early April.