Beam grew up in Murfreesboro, Tennessee and attended Blackman High School, where he played football and baseball.[1] He had a record of 8–1 and a 0.37 ERA as a sophomore.[2] Beam committed to play college baseball at Tennessee shortly before the beginning of his junior year of high school.[3] His junior season was canceled due to COVID-19.[4] Beam missed his senior baseball season due to injury.[5]
Beam was named to Tennessee's starting rotation entering his freshman season.[6] He was named the Southeastern Conference (SEC) Pitcher of the Week and Freshman of the Week after throwing a complete-game shutout against fifth-ranked Vanderbilt on April 3, 2022.[7] Beam was named the SEC Freshman of the Year and second team All-Conference at the end of the season.[8]