Some social service agencies are seeing more young people juggling school and work to help out their families out financially, resulting in burnout at a young age and a longer route to higher education.   When she was 15 years old, Sarah used to rush to a nearby fast-food restaurant the moment the school bell rang – not to hang out with friends, but to work. Schoolmates whom she bumped into, as they ordered their burgers and fries, would tease her for working there.   "They were just having fun