Ages: Middle and High School, 6th - 12th grades. Winter Off-Session runs Nov. 12 - Feb.12, 2025 for Zoo Crew, Junior Zoo Keeper and Teen Core programs. Cheyenne Mountain Zoo’s Teen Programs provide meaningful life experiences that inspire teens to take conservation action both on and off Zoo grounds through education, leadership, stewardship and environmental exploration. Off-Season Teen Programs offer weekends, evenings, and after school teen opportunities. Admission to the program is through an application process. Online applications for Zoo Crew, Junior Zoo Keeper and Teen Core programs will be open during this time. An application fee applies.