I've been on Disboards for ages, but I'veonly just found this thread!
My DD is amost 7, and this is her 5th season of dancing. Dancing seasons in Australia is based on calendar years. Ballet, Tap, Jazz, Hip Hop, Troupe Class, and also singing/drama. In total 3 1/2 hours per week. She would like to do more but I think that's enough for now.
DD had her first competition on the weekend, it was a fairly small comp, maybe 7 or 8 studios. In her division 1st for ballet, highly commended for jazz, and commended for tap. Her teachers weren't expecting for her to get anything. Perhaps now she will be noticed, but that's another story.
I read through fairly quickly, I noted the conversation on what they wear in class - Her studio is fairly casual, studio wear is the hot pants style of shorts, singlet tops, t-shirts, 3/4 pants in winter, etc. Any combination can be worn. They can wear normal studio wear even for ballet, but most choose to wear a leotard or similar. Hair must be pulled from the face, but not necessary in a bun. For exams etc obviously full examination uniform is needed.
I'm pretty happy with where she dances. DD wanted to start dancing at 2, and they were the only ones with a "tiny tot" class, which was basically musical movement. But they were in the end of year concert

They do get results, I've seen 4 students now get scholarships at private performing arts high schools. I don't know that DD will go down the dancing path as she gets older, but she is enjoying it at present.