GROENBERG SEK. Search for: Advanced Search Browse Schools Search Schools GROENBERG SEK. Contact Information Contact The School Phone: 0218592127 More Information GROENBERG SEK., PUBLIC, SECONDARY SCHOOL, ENGINEERING AND TECHNOLOGY, Latitude, -34.1571099549523, Longitude, 18.9990633106552. BOARDING SCHOOL= FALSE This Ad has been viewed 12 times. Schools contact details.