CHARLESTON HILL SEK. Search for: Advanced Search Browse Schools Search Schools CHARLESTON HILL SEK. Contact Information Contact The School Phone: 0218620212 More Information CHARLESTON HILL SEK., PUBLIC, SECONDARY SCHOOL, TO BE UPDATED, Latitude, -33.7238286439121, Longitude, 18.9947165455075. BOARDING SCHOOL= FALSE This Ad has been viewed 101 times. Schools contact details.