[1] Abello played five seasons of college soccer at Pennsylvania State University between 2017 and 2021 while also studying as a pre-medical major in biological life sciences and Spanish.

[4][1][5] As a freshman, Abello made 15 appearances for the Nittany Lions all as a substitute and recorded a season-high 45 minutes on August 20 in a game against Hofstra Pride.

[1] Predominantly playing as a forward, Abello became a starter in 2018, starting 19 of 23 appearances, and tallied seven goals and five assists as Penn State clinched the Big Ten regular season title.

[6][7] As a junior in 2019, Abello transitioned to playing left-back and started all 24 of Penn State's games, scoring eight goals and three assists on the way to earning First Team All-Big Ten honors.

[11] In her fifth and final season, Abello started all 20 games for the Nittany Lions and earned First Team All-Big Ten honors for the second time.

Abello was the Pride's only field player to appear in all 26 matches (25 starts) in the 2024 regular season as the team claimed the NWSL Shield with the best record in the league.