During his junior season at Rochester High School in 2010, Lunt led the Rockets to a perfect 14–0 record with a 24–7 victory in the 2010 4A IHSA Football Championship over Alleman High School in Champaign, Illinois at Memorial Stadium.

[1][2] During his senior season, Lunt completed 253-for-346 (73%) of his passes, and threw 3,651 yards, 31 TDs, and 4 INTs in 10 games in 2011.

[3] In 2011, Lunt led the Rockets to a second straight 4A IHSA Football Championship with a 42–39 victory in the over Richmond-Burton Community High School at Memorial Stadium in Champaign, Illinois.

Ironically, Lunt would end up transferring to Illinois after his freshman season in Stillwater, Oklahoma where he would become teammates with O'Toole.

Lunt was also selected to play in the Semper Fidelis All-American Bowl at Chase Field in Phoenix.