Fowler-Nicolosi initially attended Torrey Pines High School in San Diego and transferred to Aledo High School in Aledo, Texas during his junior year, earning the starting quarterback role for the Bearcats within a few weeks.

[2] In the state championship game, Fowler-Nicolosi threw for 215 yards and two touchdowns, as he helped his high school win.

[2] As a freshman in 2022, he was named as the starting quarterback during the Week 5 game against Nevada due to an injury from starter Clay Millen.

[5] In the 2023 season opener, Fowler-Nicolosi came in relief for starting quarterback Clay Millen and completed 13 of his 20 pass attempts for 208 yards and two touchdowns with an interception in a loss to Washington State.

[6] In Week 3, Fowler-Nicolosi was named the starting quarterback for their matchup versus rival Colorado.