We just moved back to N Dallas after living in Plano for 2 years. While we were living in Plano, my daughter - who is now 6 - took ballet at Gotta Dance for 2 years and loved it! Gotta Dance is located on Parker at Custer, so its not far off Central at all if you live near Central. I have really been contemplating moving her down to a studio back down in Dallas, but when I asked her if she would care if she was at the same ballet studio or if I put her in one closer to home, she was very very serious that she wanted to be at Gotta Dance! It was actually really cute - she said she would miss Miss Geneva (her teacher) and Miss Cindi (the owner) way to much to leave. :) The dance studio is also home to the Professional Dance Company - Plano Metropoletin Ballet.
I don't know how far north you are, but a friend of mine, who was a dancer at SMU started up with some other dancers from SMU (quite a few years ago) an excellent studio in Lakewood called Contemporary Ballet Dallas. They also have a Professional Dance Company as Well by the same name.
I can highly recommend either. Have fun!