Download the complete list of winners in the 2025 Presentation Ceremony Booklet.

Congratulations to all our 2025 Winners, and thank you to all those involved in this year's competition!

To purchase your photos from the Presentation Ceremony please visit Event Photo and use the access code: oliphant 25

Oliphant Trophy Winner 2025

For outstanding science content.

11-12 Shanza Ismail, Wilderness School

Scientific Inquiry: Can heartbeat pulses be used to estimate blood pressure?

Oliphant Medal

11-12 Caleb Tang, Prince Alfred College

Scientific Inquiry: To what extent does different coloured light affect the bacterial growth of Staphylococcus epidermidis measured in terms of the colony size (CFU/mL) after 30 minutes of light treatment under each colour