Five Grade 10 pupils from Rondebosch Boys’ High School won silver and gold medals at the International Science Fair held in Johannesburg from September 24 until September 27. Zuhayr Halday and Andre Toerien won silver medals and the Hendrik van der Bijl award for innovation. Their project on the UV opacity of school uniforms was also awarded the best physics project.Oliver Faure, Alex White and Joel Hunt won gold medals. Oliver studied the role of depth and sunlight on marine population densities in the different environments. While Alex and Joel designed a service delivery app called Tumikia and won the Expolabs Award, the SAICE-IT Division award and the prize for the best computer science project.