Greenlight High School | P O Box 16493, Kinondoni - Dar es Salaam | Tel: +255 -713 420 022 | +255 -759 515 121 | +255- 658 246 737 | +255 - 686 823351 | +255 -765 010655 | +255 -715 486760 | Land Line: 0222181970 | Email: greenlightsc2011@gmail.com or info@greenlight.sc.tz | Website: www.greenlight.sc.tz