[3] Van Tubbergen attended West Ottawa High School ('17) in Holland, Michigan.
[4] Playing forward for the school's basketball team, the West Ottawa Panthers, as a junior, he averaged 16.3 points, 7.3 rebounds, 2.4 assists, and 1.4 steals per game.
[4] As a senior, he was team captain and averaged 18.9 points, 8.6 rebounds, 3.0 assists, 1.6 steals, and 1.1 blocks per game.
[4][3][6] As a freshman in 2017–18, due to a stress fracture and sprain of his ankle Van Tubbergen missed the first few weeks of the season.
[9][10] He averaged 11.4 points and 6.6 rebounds per game, while shooting .561 from the floor (fifth in the Great Lakes Intercollegiate Athletic Conference (GLIAC)).
[20] In 2022–23, Van Tubbergen played for Vitória Alves Guimarães of the Liga Portuguesa de Basquetebol.
[24] Van Tubbergen signed to play for Ironi Ness Ziona of the Israeli Basketball Premier League.