She won with her Senior team the silver medal and the "Rising Star" award at the 2009 Pan-American Cup. In June 2009, at the 2010 World Championship NORCECA Qualification Pool H, at Santiago de los Caballeros, Dominican Republic, she took the public ovation at the Gran Arena del Cibao winning the "Best Digger, Best Receiver, Best Libero" and "MVP" awards. She then participated with her Junior National Team she won the silver medal at the 2009 U20 World Championship, being awarded "Best Digger, Best Receiver, Best Libero" and "MVP" awards. She won the "Best Digger, Best Receiver, Best Libero" awards and the bronze medal with her team at the 2009 Final Four Cup held in Lima, Peru. She then played with her Senior National Team, winning the Continental Championship at the 2009 Women's NORCECA Volleyball Championship, and was awarded again, "Best Libero, Digger and Receiver". This win qualified her team to the 2009 FIVB Women's World Grand Champions Cup, there she was at the age of 17 one of the youngest players. The Dominican Republic and Castillo won the Bronze Medal of the event.