According to the prosecution, the accused gambled away the entire sum on an illegal online betting site.
The boy had taken drugs from his stepfather, according to preliminary investigations.
The school will not tolerate any form of harmful behaviour, it said.
The walkway outside the coffee shop was also flooded.
He was known for being Malaysia's "Father of Human Capital Development".
A presumed smoking resident said that others should just buy an air purifier if they couldn't stand the smell.
Her comments come amid growing concerns over the distribution of explicit images in schools.
The exact circumstances of her death, including which of the three family pitbulls attacked her, remain unclear.
The boy reportedly put the gold bar in his mouth out of curiosity.
Dr Khor will be stepping down after serving in Hong Kah for 24 years.