Bella Guthrie struck silver on Day 1 of the NSW All Schools Championships at SOPAC.
Representing Asquith Girls High School, Bella was second in the 16 years girls 400m hurdles.
Training partners Jessie Wong (Baulkhan Hills High) and Abby Lander (Roseville College) won bronze medals.
Jessie ran a personal best time to finish third in the 15 years girls 200m hurdles, while Abby was third in the 17 years girls 2000m steeplechase.
Daniel White (Chatswood High) was fourth in the 14 years boys triple jump while Curtis Kingsmill (Hunters Hill High) ran a three second personal best time in his heat of the 17 years boys 800m to just miss qualifying for the final by one place.