I would continue to monitor who she drives with and to make your decisions based upon the experience of the driver and how many kids will be traveling in the car with her. Of course, parents are not always guaranteed that the number that show up in a car to pick up their teen is the number that eventually will be riding in that car. Next year you may be confronting your daughter's wish to get her driver's license. You need to start discussing how you and your spouse plan to teach her how to drive and how many hours of supervised driving you will demand before you are convinced that she can be allowed to drive on her own.
Parents Forbid Riding in Cars with Friends
Toddler and Teenager Expert Advice from Carleton Kendrick, Ed.M., LCSW