In 2015 , Dilworth made history by beating Onehunga High School , 12 - 10 , in a 1A Championship promotion match .
In 2015 , Dilworth entered Auckland 's top - flight for the first time in 109 years .
In 2015 , Dilworth made history by beating Onehunga High School , 12 - 10 , in a 1A Championship promotion match and entered Auckland 's top - flight for the first time in 109 years .