With an emphasis on providing strong leadership for the implementation of the St Catherine’s Towards 2025 Strategic Vision, the  Leadership Team is responsible for the educational needs of the School, ensuring our commitment to empowering and nurturing women of the future is evidenced through all our outstanding and dynamic educational programs.


Meet our Principal

​Ms Michelle Carroll

An outstanding leader with a great passion for, and academic interest in, adolescent wellbeing, her focus is centred on creating and delivering an educational environment where girls’ individual strengths can flourish, and where girls are empowered to grow into confident, capable and healthy young women.

Meet our Acting Principal 2024

Mr Robert Marshall

Mr Robert Marshall’s passion for analysis, strategies and continual improvement ensures the School is at the forefront of pedagogical practice.

Meet our Deputy Principal, Head of Senior School

Mrs Ceri Lloyd

As a leading educator, Deputy Principal, Head of Senior School, Mrs Ceri Lloyd manages the development and implementation of the School’s Strategic Plan, specific to Years 7 to 12 and oversees all Senior School operations. Ceri leads the implementation of the School’s Academic and Wellbeing Programs for staff and students, in addition to also playing a key role in imagining the future of St Catherine’s School. The Deputy Principal, Head of Senior School assumes the delegated authority of the Principal in periods of extended leave.

Meet our Deputy Principal – School Operations

Mrs Gina Peele

Deputy Principal, School Operations, Mrs Gina Peele is responsible for coordinating Senior School Co-curricular programs and manages the daily operations of the School, ensuring the School operates in a calm, purposeful and respectful manner.


Meet our Head of Junior School

Ms Karen McArdle

As a leading educator, Ms McArdle brings to St Catherine’s a wealth of experience in areas of professional learning involving academic data analysis to monitor student progress and to inform teaching practice that enables the development of differentiated teaching and a personalised learning experience for all students. Mrs McArdle’s natural warmth, genial and friendly approach enables a vibrant school community to flourish with the nurturing of happy and engaged children.

Meet our Head of Early Learning Centre

Ms Sarah Bethune

Sarah Bethune is the Head of Early Learning Centre, a role which involves supports the children, families and staff in Campbell House, as well as teaching within each of our four learning rooms. With exceptional organisational and managerial skills, a specialised knowledge of child development and an innate ability to provide pastoral care to children and families, Sarah is a true asset to St Catherine’s Early Learning Centre.

Meet our Director of Senior Years

Mrs Alison Cassidy

An accomplished educator, Mrs Alison Cassidy brings to the Director of Senior Years role a wealth of experience in teaching, learning and wellbeing. In her many years of teaching, Alison has worked across the Catholic, Independent and Government schooling systems enabling a diverse range of skills and approaches to teaching and learning.

As the Director of Senior Years, Alison is responsible for the overall academic, social and emotional well-being of students in Years 10-12. This includes working with teachers, career practitioners, psychologists and parents to ensure that all students have the guidance, tools and resources to achieve individual success.

Meet our Director of Middle Years

Ms Freda Armstrong

Freda has been teaching in the classroom for over 20 years and holds a strong belief that girls’ schools offer a unique environment in which girls can feel empowered and have the opportunity to thrive in any area of their choosing.  

As the Director of Middle Years, Freda’s role is to oversee the academic journey and wellbeing of each student as she progresses through the middle years. Freda has a particular passion for the  wellbeing programs being offered in the middle years and building the skills that will enable and empower girls to function at their best. 

Meet our Deputy Head of Junior School

Mr Luke Russell

Mr Luke Russell, our Deputy Head of Junior School, brings a wealth of experience and an unwavering passion for education to the heart of St Catherine’s School. With a career deeply rooted in the nurturing and development of young minds, Luke’s commitment to fostering an enriching and inclusive learning environment is truly inspiring.