2010-11: Alex Tuch was invited to USA Hockey's Select 15 Festival following a dominant season for the Syracuse Nationals bantam team.
2011-12: Tuch skated for the Syracuse Stars in the Junior B Empire Hockey League and was the league's leading scorer as a 15-year-old. In 40 regular season games he scored 44 goals with 57 assists and had 26 penalty minutes. He had 1 goal and 3 assists in four playoff games. He committed to playing hockey at Boston College in 2014-15 in June of 2012.
2012-13: Tuch attended USA Hockey's Select 17 Festival in the summer and was chosen for the National Team Development Program's U17 team in Ann Arbor. In 56 games he scored 11 goals with 15 assists and had 32 penalty minutes. The USA finished first in the 2012 Four Nations tournament in Switzerland, third in the 2013 Five Nations Tournament in Finland and won a gold medal at the 2013 U17 World Hockey Challenge in Canada. Tuch scored 6 goals with 7 assists in 14 games at the three tournaments.
2013-14: Tuch returned to Ann Arbor for his second season with the NTDP; skating for the U18 team. He was selected to play in the 2013 CCM/USA Hockey All-American Prospects Game in September.