Hanlie is a registered Educational Psychologist with the Health Professions Council of South Africa. She graduated with a Bachelors degree at the North West University (Potchefstroom Campus) and subsequently completed an Honours degree in psychology at Stellenbosch University.
After taking a year off to travel, she decided to further her studies in The Netherlands where she obtained a Masters degree in Developmental and Educational Psychology from Leiden University. She acquired an additional registration in Advanced Psycho Diagnostics in Children and Adolescents from the Dutch Institute for Psychologists (NIP Nederlands Instituut van Psychologen).
Upon her return to South Africa, she completed an internship with Good Hope Psychological Service which is based in Paarl East TC Newman Hospital and Stellenbosch Hospital.