Original sentence: Her studies also involved summer schools at the Sydney campus of the National Art School, they have no records for her studying there, and a Teachers' Certificate from Newcastle Teachers College, for which evidence exists.In 1970 she moved to London, where she culminated twenty years ballet training by commencing a licentiateship in ballet teaching and choreography at the Royal Academy of Dance in Knightsbridge
Edited sentence: She has claimed her studies also involved summer schools at the Sydney campus of the National Art School, but they have no records for her studying there, In 1970 she moved to London, where she culminated twenty years ballet training by commencing a licentiateship in ballet teaching and choreography at the Royal Academy of Dance in Knightsbridge