School kids have even longer hours.

Wake up 6 am cramp MRT / bus to school.
Non stop new information/learning/mental stress

after school long hours in tuition center while daddy and mommy at work...
can't go home.

wait for daddy mommy to pick them up after work around 6pm/7pm
then at night daddy mommy tell the kids must finish homework.

weekend both saturday and sunday study and do homework...
student life is longer hours..

and doesn't get paid..