Pruitt played college soccer for the San Diego State Aztecs and USC Trojans, winning the 2016 National Championship title.
[3] In June 2016, Pruitt won the ECNL under-18 National Championship title with Slammers FC,[4] scoring in a 2–0 victory over Michigan Hawks in the final.
[3] Pruitt was scouted by San Diego State University when her father contacted the coaches about her older sister Charlee's interest in joining the team as a goalkeeper.
She was named Mountain West Conference Freshman of the Year and was an All-Mountain West first team selection as the Aztecs won the regular season title and finished as runners-up in the conference tournament, losing the final to San Jose State Spartans in a penalty shootout.
[3] USC won the 2016 NCAA Division I Women's Soccer Tournament title with a 3–1 win against West Virginia.
[13] She made her professional debut in the season opener on April 13, 2019, entering as a 71st-minute substitute for McCall Zerboni in a 1–1 tie with Chicago Red Stars.
Still injured, Pruitt was waived by North Carolina on June 23 as part of the Challenge Cup squad announcement.
[17] Four days after being waived by North Carolina, Pruitt was selected off waivers by OL Reign and immediately placed on the team's 45-day disabled list.
Pruitt made her club debut in the team's opening Fall Series game on September 26 as a 70th-minute substitute for Jasmyne Spencer in a 2–2 tie with Utah Royals.
On the signing, head coach Farid Benstiti said "Leah has exceeded all expectations since she joined our club before the Challenge Cup.
[21] On April 6, 2023, after not featuring in either of the matchday squads for the opening two games of the season, Orlando Pride announced Pruitt had retired from professional soccer in order to pursue new career opportunities.