[5] Cluff played five seasons of college soccer at Brigham Young University between 2017 and 2021 while also earning a degree in exercise and wellness.
[8] Starting all 19 games as a sophomore, Cluff totaled five goals and led the team with seven assists as BYU claimed the West Coast Conference (WCC) regular season title.
[7][9] In 2019, she once again started every game, scored 16 goals and tallied a further seven assists as BYU defended the regular season title and reached the NCAA Elite 8 for only the third time in program history.
[10] Individually Cluff was named 2019 WCC Player of the Year,[11] ranked fifth nationally in the TopDrawerSoccer Top 100,[7] and earned United Soccer Coaches All-America first team honors for the first time.
[3] She was also named NCCA Women's Division I Player of the Year on TopDrawerSoccer's Top 100[19] and was one of three MAC Hermann Trophy finalists, eventually losing out to Jaelin Howell.
[20] Cluff departed as the second-highest goalscorer in BYU women's soccer history with 53 behind Shauna Rohbock who scored 94 goals (1995–98).
Despite not declaring, a rule change amid the COVID-19 pandemic meant that any player that had exhausted three years of college eligibility could be selected.
[28] In January 2022, Cluff was named to an 18-player under-23 training camp held in Austin, Texas and including a closed-doors scrimmage against the senior national team.
[29] Cluff is the cousin of former United States youth international and BYU Cougars soccer player Cloee Colohan.