Jillian Kelly pitched El Camino Real High School to its 17th Los Angeles City Softball Title after defeating Granada Hills High School in the 2021 finals. In that series, the left-handed Jillian went 10-0 and pitched a no-hitter with 12 strikeouts. She also pitched a shutout in the semi-final victory over Carson High School. Kelly finished the season with a 15-2 record and with an ERA below one run per game. She helped pitch El Camino Real High to the 2019 City Title by throwing a shutout in the title clinching game for coach Jodi Borenstein.

Jillian was the 2021 Los Angeles City Player of the Year and finished high school with a 4.0 grade point average. She is currently attending Chapman University as a freshman and eventually hopes to go into elementary education.