Every year, each grade experiences an outdoor science challenge trip. These trips are organized by Adventures Under the Sun, a company that has collaborated with CDS for several years. Each trip has a particular emphasis, depending on the grade level. Teachers help organize and go on these trips, although Adventures Under the Sun is responsible for the logistics, i.e. transportation, guides, and lodging.

Beginning in 5th grade when students leave campus for a single night, the trips progress appropriately to challenge the students to leave their comfort zones.  Activities range from examining various species on hikes to repelling down waterfalls, surfing and white water rafting.