INTERNATIONAL SCHOOL OF HELDERBERG Search for: Advanced Search Browse Schools Search Schools INTERNATIONAL SCHOOL OF HELDERBERG Contact Information Contact The School Phone: 0218516290 More Information INTERNATIONAL SCHOOL OF HELDERBERG, PRIVATE, COMBINED SCHOOL, TO BE UPDATED, Latitude, -34.100218, Longitude, 18.857012. BOARDING SCHOOL= FALSE This Ad has been viewed 15 times. Schools contact details.