DeHaan ranked second on the team in scoring, and, despite being a rookie, played a crucial role in keeping the team on track, guiding them to their first 3–0 mark in conference play since 1991. By the time she was a senior she had led Grandville to district and regional championships, averaging 24 points, nine rebounds and nine blocked shots a game. This led Grandville to the state quarterfinals for the first time in program history. She was also a member of the volleyball team and earned honorable mention all-conference honors.