Essex High School's mascot is the Hornet and the school's colors are Navy and Vegas Gold.
Essex High School teams and student athletes have won over 200 Vermont State Championships since 1970. This figure includes 63 individual track records set by various girl and boy athletes. The school has a stadium, track, tennis courts, and several practice fields. The town’s indoor hockey rink is located on school grounds.
The mission of the Essex High School Athletic Department is to provide an athletic program that extends the learning experience beyond the classroom. Through membership in and adherence to Vermont High School Athletic Association rules, the EHS Athletic Department strives to develop student-athletes physically, socially, and mentally; encourage leadership, responsibility, teamwork, and sportsmanship; and provide the opportunity for students to develop their potential as athletes in sports appropriate to their ability level.