This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) The topic of this article may not meet Wikipedia's notability guidelines for companies and organizations. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted.Find sources: "Sandown High School, Johannesburg" – news · newspapers · books · scholar · JSTOR (October 2020) (Learn how and when to remove this message) This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources. Find sources: "Sandown High School, Johannesburg" – news · newspapers · books · scholar · JSTOR (October 2020) (Learn how and when to remove this message) (Learn how and when to remove this message)