Originally from Apex, North Carolina, Grayson began dancing at Cary Ballet Conservatory where she trained with Rossana Machi. She continued her training at University of North Carolina School of the Arts and Pittsburgh Ballet Theatre. Grayson then went on to dance as a trainee and apprentice at Charlotte Ballet (formerly North Carolina Dance Theatre) under Jean-Pierre Bonnefoux, Patricia McBride, and Mark Diamond.
While at Charlotte Ballet she had many performance opportunities including roles in Peter Pan, Sleeping Beauty, The Nutcracker, and the Pas de Trois des Odalisques from Les Corsaire. Before joining Ballet Evolution, Grayson danced with Atlanta Festival Ballet, where she performed many soloist roles including Dew Drop in The Nutcracker, and with Southern Arc Dance Theater.