Long Live Her Royal Highness Princess Maha Chakri Sirindhorn’s 66th Birthday Anniversary BKK Prep, Event, News, Primary, Secondary, Whole School April 1, 2021 April 2nd is the auspicious occasion of Her Royal Highness Princess Maha Chakri Sirindhorn’s 66th birthday anniversary. In June 2006, it was Bangkok Prep’s honour to be officially visited by Her Royal Highness Princess Maha Chakri Sirindhorn. Long Live H.R.H. Princess Maha Chakri Sirindhorn. FOBISIA Maths Competition 2023 Bangkok Prep is extremely proud of our Year 6 students Arinjay, Keen, Fumika and Sayo who were selected ... See More Pi Day 2023 Many digits of Pi were recited! Much cake was eaten by teachers! Our students celebrated Pi day this ... See More Bangkok Prep Parent Golf Society A Bangkok Prep Golf society has been created by parents. Events held are not serious golf tournaments ... See More