CORNERSTONE COLLEGE SEC. SCHOOL Search for: Advanced Search Browse Schools Search Schools CORNERSTONE COLLEGE SEC. SCHOOL Contact Information Contact The School Phone: 0128048350 More Information CORNERSTONE COLLEGE SEC. SCHOOL, PRIVATE, SECONDARY SCHOOL, ORDINARY SCHOOL, Latitude, -25.72789667, Longitude, 28.299035. BOARDING SCHOOL= TRUE This Ad has been viewed 16 times. Schools contact details.