KNYSNA HS. Search for: Advanced Search Browse Schools Search Schools KNYSNA HS. Contact Information Contact The School Phone: 0443822137 More Information KNYSNA HS., PUBLIC, SECONDARY SCHOOL, TO BE UPDATED, Latitude, -34.0335779946851, Longitude, 23.0490861661128. BOARDING SCHOOL= TRUE This Ad has been viewed 4 times. Schools contact details.