A three-arm, cluster randomised controlled trial based in high schools in Gauteng, South Africa is evaluating such a multi-faceted primary prevention intervention. This intervention includes school strengthening components for learners and educators, which includes providing a teaching materials for the grade 8 life orientation (LO) curriculum (which covers gender and violence), training teachers in LO teaching, training staff on positive discipline and establishing learner clubs. A second intervention seeks to strengthen families and is a workshop based intervention delivered over 4 day long sessions for a parent or caregiver and their grade 8 adolescent.