Calvin Royal III began his formal training under the direction of Suzanne Pomerantzeff and Patricia Paige at the Pinellas County Center for the Arts at Gibbs High School in St. Petersburg, Florida. He was a finalist at the Youth America Grand Prix in New York City in April 2006 and joined the Jacqueline Kennedy Onassis School at American Ballet Theatre in September of that year. Royal was the recipient of the Ethan Stiefel Scholarship in 2006 and 2007. While at the JKO School, Royal appeared in original works by Raymond Lukens and Jessica Lang.
Royal joined ABT II (now the ABT Studio Company) in December 2007 and danced leading roles including Prince Siegfried in the White Swan and Black Swan pas de deux from Swan Lake, George Balanchine’s Allegro Brillante, Jerome Robbins’ Interplay, Antony Tudor’s Continuo, and works by Edward Liaang, Aszure Barton, Jodie Gates, and Brian Reeder.
Royal joined the main Company as an apprentice in October 2010 and the corps de ballet in April 2011. His repertoire with the company includes a Cavalier in Frederick Ashton's Cinderella, the Recruit in Alexei Ratmansky’s The Nutcracker, the Spanish Prince and Prince Fortune in The Sleeping Beauty, Spanish Dance in Swan Lake, Jaseion in Sylvia, Benvolio in Romeo and Juliet, and principal and soloist roles in Twyla Tharp's Bach Partita, Paul Taylor's Black Tuesday, Stanton Welch's Clear, Merce Cunningham's Duets, Alexei Ratmansky's Piano Concerto #1 and Seven Sonatas, JiříKylián'z Sinfonietta, and Christopher Wheeldon's Thirteen Diversions.
In January 2014, Royal was nominated for the Clive Barnes Award, and named one of Dance Magazine's "Top 25 to Watch". In addition, Royal was also the winner of a grant from the Leonore Annenberg Fellowship Fund.