Grayson graduated in 2015 from the Liberal Arts & Science Academy High School in Austin, Texas. Grayson was a National Merit Finalist, an AP Scholar with Distinction, a member of the National Honor Society, and an All-District Academic player in baseball all four years of high school. He sang in the Journey Youth Choir at the Covenant Presbyterian Church. Grayson will graduate from A&M in 2019 with a degree in Nuclear Engineering.