Harwin began in 1981 with approximately fourteen staff members and was appointed to Menai High School in 1988 with Mike Wilson as the Deputy Principal.

[7] The Cognitive Thinking Club at Macquarie Fields High School is a vibrant community of students passionate about puzzles, brain teasers, and strategic games.

Through regular meetings and activities, members develop critical thinking, problem-solving, and collaboration skills while fostering a supportive and inclusive environment.

By exploring the intersection of mental health, mindfulness, and cognitive development, the club aims to promote overall well-being and empower students to become creative, innovative thinkers.

[9][10] The school will receive special sponsorship and focus from The Street University, a prestigious university located near the CBD, students selected on the basis of academic excellence and school community involvement will receive a scholarship for their courses.