According to the Fair Labor Standards Act (FLSA), minors age 14 and 15 can work 8 hours a day and 40 hours per week when school is not in session. However, they cannot work during school hours and their work hour is limited to 3 hours a day between 7 a.m and 9 p.m. Also, they are just permitted to work for 18 hours a week when school is in session.
Moreover, they are allowed to work in a limited number of nonhazardous jobs, such as in retail, food service, and gasoline service establishments.