I don't know, but here is what is says on the SAB website:
"Suki Schorer began her professional career with the San Francisco Ballet and joined the New York City Ballet in 1959, becoming a principal dancer in 1968. Her repertory included principal roles in Apollo, Serenade, Concerto Barocco, Symphony in C, Stars and Stripes, Tarantella and Jewels among others. Balanchine choreographed solo roles on her in Don Quixote, Raymonda Variations, Harlequinade, and A Midsummer Night's Dream. "