ESKO — His new job as principal of Esko High School marks a sort of homecoming for Brian Wickenheiser. A resident of Esko and father of two Esko graduates, Wickenheiser is currently director of curriculum and learning at Proctor Public Schools, where he has worked for the past two years. “A big piece of this is coming home. I'm still part of the community,” Wickenheiser said. Wickenheiser assumes his new role July 1, replacing Greg Hexum, who wi…