Greenlight High School | P O Box 16493, Kinondoni - Dar es Salaam | Tel: +255 713 420 022 | +255 58 246 737 | +255 787 729 797 | +255 672 444 572 | +255 659 646 448 | Land Line: 0222181970 | Email: greenlightsc2011@gmail.com or info@greenlight.sc.tz | Website: www.greenlight.sc.tz