Being 15 and still at school, having a job is a great way to get some extra cash, but also for some work experience. You can work, but because of your age, there are strict rules and regulations. However, we have plenty of jobs for year-oldsright. But do read on — you should know your rights before you start any new job! How many hours can a year-old work is surprisingly flexible. During term time, you can only work a maximum of 12 hours a week. You can work a maximum of 2 hours on school days and Sundays. On Saturdays, you can work for a maximum of 8 hours.