Harrison is a James Ruse Agricultural High School graduate who achieved an ATAR of 99.60, with outstanding results of 98 in Mathematics Extension 1 and 96 in Mathematics Extension 2. His academic achievements also include national runner-up recognition in science and engineering.

Studying a double degree in Computer Science and Mathematics at UNSW, Harrison brings strong subject knowledge to his Mathematics and Biology teaching. His student-focused approach combines clear explanations with targeted question practice, helping students develop a thorough understanding of concepts and the confidence to apply them in examinations.