I just wanted to add something... even though you have all well debated on the subject.
Its the mom: How lucky you are to have a daughter with such determination.WOW, I am sure that she will go as far as she wishes in ballet since this path is one of many hurdles and it takes fierce determination to succeed.
I just wanted to say that when I took ballet for the first time at age 11, I did ask my teacher a year after beginnig classes why were there not any black ballerinas and she plainly replied that it was because they broke uniformity. Needless to say that for the fragile, insecure and dreamy child I was at the time, it was enough to send me home crying to my mother ...and never setting foot in a studio for the next 7 years of my life.
So, I think that a major non-economical reason why there aren't any more non-white dancers in classical ballet: pure logic makes me deduct that to be a pro in this field , you need to have uncomparable extremely rare human quality ( at a very early age) which is called determination and self confidence, 2 attributes I think a MINORITY of human being possess. So if you are a non-white young aspiring ballerina, this is a lot that is asked from you at a very young age, plus all the other issues and pressure you have to deal with (to sum it up:being always different in a field that converges toward classicism and uniformity).
In addition, I am sure that in various studios around the world, non-white children are not being corrected enough since their teacher does not see them as pro material which could lead to lack of improvement.
Also we all know that in the most prestigious ballet schools in this world, the decision makers attempt first eliminations by simply looking at the child(proportions, rotations, arches..etc) So we will never be sure if wether or not some children are not turned down simply because of their skin color. (Although this method is generally unfair to all anyways)
Any how, I could go on forever on this topic and I just wanted to say that we are all somewhat responsible as ballet lovers to make this beautiful art accessible to any soul that is drawn to ballet and this starts by making people like this teacher aware that it is a shame that in 2003 one could still make inappropriate comments like that.