But this drew the ire of their principal, as they had not donned wigs, as they had promised earlier. The school's rules do not allow "punk, unfeminine or sloppy hairstyles".
Said principal Marion Tan: "It's very clear in our mission: it's about their turnout as a young lady."
And if the girls were allowed to go bald, others might take advantage.
"Can you imagine if I were to say yes, I'd have everybody coming to school with a bald head. Sometimes it's a fad, so they would take advantage of the situation."
Cherry Wong (left) and Leia Lai, both 15, took part in last Saturday’s Hair for Hope event to raise funds for the Children’s Cancer Foundation, but were reprimanded for not wearing a wig to school as promised. They got rashes after being made to wear one and have since been exempted.
Read more (3 girls who shaved head bald for charity told to wear wigs)