Yio Chu Kang Secondary School. During Secondary 3, I started skipping school. I was weak in Chemistry and Maths. My subject teachers were crude to me. The more I ran away from school, the poorer my results turned out. It was a vicious cycle. However, thanks to my principal Ms Koh, with her tough love and uncompromising spirit, it made a change in me and turned my life around. I am the teacher I am thank to her.