Leadership

Tara Dunstall

Deputy Principal, Head of Senior School

BA, LLB (Hons), GradDipLegPrac, GradDipEd

Tara joined CGGS in 2008 to teach legal studies after a career as a Senior Solicitor with the Australian Government Solicitor. In her time at CGGS, Tara has also taught business, commerce and geography. After a brief stint teaching business law at the Canberra Institute of Technology and communications at the Australian Defence Force Academy, Tara returned to CGGS and was appointed the Head of the Geography and Social Sciences Faculty in 2012. Tara acted as Director of Curriculum from April 2015 until she was appointed Director of Studies in October 2015.

Nancy Lee

Director of Senior School (Academic Administration)

BSc CS, MEd

Nancy joined CGGS in 2009 as a Mathematics teacher, and has held the position of Head of Mathematics for several years before joining the Senior Management Team. She had an early career as a computer programmer for a major pharmaceutical company and then transitioned to secondary mathematics teaching. Before her arrival at CGGS she spent 10 years teaching Mathematics at a public high school in the USA, taking on the role of IB coordinator and department head. Her academic qualifications include a Bachelor of Science with a Minor in Mathematics from Penn State University and a Masters of Education from University of Colorado at Boulder.

Lindy Braithwaite

Director of Senior School (Learning and Innovation)

BEd (Secondary) Economics & Law

Lindy joined CGGS in 2023 as the Director (Studies), having lead another PK-12 Independent School through seven years of outstanding academic results and the authorisation and implementation of the IB Diploma Programme. Originally from South Australia, she has taught Legal Studies and Business Management in several jurisdictions, including three years at the British (International) School in the Philippines while on a posting with her family. Lindy has had key roles in cross sector Curriculum and Assessment development including ACARA, BSSS, SSABSA, NTBOS and a project with ANU to develop an extension course for senior students. As a lifelong learner, she is currently working towards her Masters of Business Administration. Lindy loves being in the classroom and supporting young people to find and pursue their passions. She is committed to the education of the whole child and implementing strategies to enable teachers to really know their students.

Anna Partridge

Director of Senior School (Student Care and Experience)

M.Ed. (Ed. Lead.), GradCert SML (Harvard), M.Couns., GradCert IHGS, B.Ed., B.Comms (Adv & Mktg)

Anna joined CGGS in 2025, bringing extensive experience in student wellbeing and educational leadership. Before returning home to Canberra this year, Anna spent the past four years in Adelaide leading pastoral care initiatives and embedding whole-school, evidence-based wellbeing programs designed to help students flourish academically, socially and personally.

Appointed President-Elect of the International Positive Psychology Association in 2025, Anna continues to connect global research with positive education best practice in schools around the world. Her work has been recognised nationally, including receiving the South Australian Minister for Education Award for Outstanding Contribution to Learners’ Development and Wellbeing, and leading a program named among Australia’s Top Eight for Best Student Wellbeing Program. A strong advocate for children’s mental health and wellbeing, Anna has contributed to the national conversation in government policy as a conference speaker, published author and regular contributor to HuffPost and Wellbeing Magazine.

A nationally certified Highly Accomplished Teacher and HALT Assessor, Anna is passionate about mentoring and coaching teachers to be at their best, while nurturing the academic, social and emotional needs of students in the classroom. She is delighted to have the opportunity to walk alongside CGGS Senior School students as they grow with confidence, purpose and joy.