Prior to Missouri State, Curran was the Head Coach of the Republic Tigers (MO) High School Team. In the 5 years prior to Curran, the Tigers had an overall record of 3-64. In 5 seasons with Curran at the helm, Republic won 48 games, qualified for the Heartland League post-season for all 5 seasons, and made it to the state championship game in 2017, losing by a goal. Curran was nominated as Coach of the Year 4 times, and was awarded the honor in 2017.

Curran's passion for his players and love of the game has been reflected in the character and performance of his players, both on and off the field. Republic produced an outstanding 13 different All-Conference players under his direction. He was also recognized by the Republic Community Foundation as a community leader in 2017 for his efforts with Republic Lacrosse.

Coach Curran and his wife Michele have been together for 24 years and have raised 2 sons that both currently attend Missouri State University.