Good afternoon. I have a teen that would like to go to an upcomi

Good afternoon. I have a teen that would like to go to an upcoming school dance with a friend. I have never bought a suit before, I am a female. I thought about going to Men's Wearhouse to rent a suit (I believe that is a rental place), but I think having a suit might be nice for other occasions as well. I would like to buy a mid-range priced suit with jacket, pants, tie, and shirt. Where do you think is the best place to go? I am clueless about fittings or if it is ready off the rack. Should I go into Houston? Also, I dont even know what is popular for teen suits. Suggestions appreciated.