text: Some of these activities, like drama and sports, take place after school, and if you had to stay after school frequently then it would give a lot more wiggle room for your parents to pick you up. Some parents work when there kid's school ends and they don't have time to pick them up. If they were to not leave for another hour or more, parents can stay at their job and not worry about their kids. It gives more time for parent to get work done at home or at work and this doesn't have any disadvantages for you or your parents. Also, being a bus driver can be very stressful, and with less kids on buses because of their extracurricular activities, bus drivers can have a better and Safe drive without kids yelling and misbehaving behind them.