Occasionally rebuke their favorite music, hair styles, makeup, clothes, and good friends. They'll love you for it, and keep every one. And YOU will have fulfilled your duty to provide something for them to push against. Occasionally pick a fight with them about something you really care very little about. What you have done is excellent parent work.
Allowances stop at age sixteen.
Part-time work is good for the soul. And Parents' pocketbooks. It also teaches the child the value of money and what it takes to earn it. No personal cars to support during high school. If it's discipline or Disney World.