Under the theme 'The future awaits, keep your steps', the walk will commence at 7.30am from the school grounds.
It will be followed up by a mini carnival at the Thurstan grounds featuring beloved artistes such as Raini Charuka and Sanuka Wickramasinghe.
Brighten up the streets in a fiesta of Pink and Blue with your besties for a day filled with fun and friendship, celebrating 45 long years of true excellence.
Tshirts, caps, watches and car badges are available at the OGA office.