Trinity Grammar School, Kew is delighted to announce the appointment of Mr Sean Cox as the new Deputy Principal, following an extensive executive search process. 

Commencing Term 1 next year, Sean brings deep expertise in educational leadership, having successfully led senior school, whole-school campus operations (ELC to Year 12) and boarding programs across Victoria and Queensland. 

His wealth of academic credentials includes a Master of Education (Leadership and Management), a Master of Business Administration, and formal qualifications in Education, Educational Neuroscience, and Exercise and Movement – reflecting a broad and interdisciplinary approach to learning and leadership. 

Currently serving as Head of Senior School at Wesley College, Glen Waverley, Sean is widely regarded as an ethical and relational leader. His leadership is anchored in collaboration, strategic foresight, and an unwavering commitment to ensuring that every voice is heard, respected, and valued. 

On his appointment, Sean shared: 

“It is with both pride and humility that I accept the role of Deputy Principal at Trinity Grammar School. The opportunity to contribute to an aspirational community defined by connection and tradition is one I am immensely looking forward to.  

Throughout the interview process, I was struck by the authenticity of my interactions with students and staff. I look forward to getting to know the students, families, and alumni when I commence in 2026, and working alongside the dedicated staff team to support the continued growth of Trinity.” 

With a clear alignment with Trinity’s purpose and values, we warmly welcome Sean and look forward to the energy, insight, and impact his leadership will bring.