CLOQUET — Come fall, returning students will often regale each other with tales of what they did on summer vacation. For a small group of Cloquet High School students, the summer kicked off with a slightly unusual story — a 10-day hiking excursion with their principal, on the other side of the country. The trip is the culmination of skills learned in the Cloquet Area Alternative Education Program’s leadership class, co-taught by Principal Marcia…