She may learn things you don't like, such as names of characters on TV shows banned at home or even curse words. But she's likely to sharpen her athletic and academic skills in the company of her friends. What seems trivial to you may be the single most important thing in the world to your tot and her pals. Self-image is everything. Make sure those children make him feel good about himself.
Friendships are a matter of choice.
You can expose your child to many different kinds of people, but ultimately he will have to choose friends on his own and for his own reasons. You know what she's really like. You can't choose your child's friends for her for long, but you can point out when peers are encouraging her to be untrue to her nature. It's a big neighborhood. Remember that the media will be influential, regardless of how great your child's friends are.