Samuel claimed Anglo-Chinese School (Independent)'s first gold medal at this year's track nationals with a personal best 24.45 seconds, while Singapore Chinese Girls' School's Emily posted 26.54s to wrap up a 200-400 sprint double.
Shahmee fended off strong challenges from SAJC's Dinesh Hulbert and ACS(I)'s Joshua Lim, who finished second and third in 22.42s and 22.64s respectively.
Thiruben's winning time of 48.71s was marginally off Zubin Muncherji's championship record of 48.69s.
When Hwa Chong Institution's Justyn Phua lined up to take his fourth throw in the A boys' javelin competition, he was trailing junior teammate Wang Tingjia in second. A few minutes later, he not only bettered Tingjia's best throw, but also a national schools and championship record that has stood since 1970.
Hussein ran 16:25.57 to claim gold, while teammate Timothy Liau ran 16:56.53 for silver.
Anglo-Chinese School (Independent) (ACS) capitalised on a shaky start by Pioneer Junior College (PJC) to register a big 6-1 victory during their opening match for the A division football season.
Two late tries helped Anglo-Chinese School (Independent) overcome a gallant Raffles Institution 25-12 to emerge as National B Division Rugby champions for a third straight year.
Hong Kah sealed their place in the second round of their School Premier League 2 campaign at the expense of Anglo-Chinese School (Independent) after a 3-1 victory in which each half was played on separate days.
