2011-12: Nick Wolff skated in 13 games, including five state tournament games, for Eagan HS in Minnesota as a sophomore. He had no points and 2 penalties in a limited role for the Wildcats. Eagan captured the 3AA sectional championship and after an opening game loss to Moorhead in the Minnesota AA state tournament rebounded to reach the consolation final against Duluth East.
2012-13: Wolff stepped into a key role for Eagan HS in his junior season and was invited to USA Hockey's Select 17 Festival in July. He scored 4 goals with 19 assist and 42 penalty minutes in 27 games for the Wildcats. Eagan was the top seed in the Section 3AA tournament and reached the championship game; falling to third-ranked Eastview, 4-1.
2013-14: Wolff skated for the USA U18 team at the 2013 Ivan Hlinka Memorial Tournament in August before returning to Eagan for his senior season and finished the year in the USHL with the Des Moines Buccaneers. In March he committed to playing college hockey at Minnesota-Duluth in 2014-15. Wolff was +4 with no points and 2 penalty minutes in five games as the USA reached the Ivan Hlinka tournament championship game; falling to Canada, 4-0. Wolff was the fourth-leading scorer for Eagan as the Wildcats won their second Section 3AA title in three years and won the AA third-place game against Eden Prairie after falling to Edina in the state semifinals. In nine USHL games with Des Moines he had 1 assist and was -5 with 46 penalty minutes. Wolff was ranked 89th amongst North American skaters in Central Scouting's final rankings prior to the 2014 NHL Draft.