Naturalists at Large is an organization that provides outdoor education programs for over 200 California schools, taking thousands of students on trips to diverse natural environments across the state. They work closely with schools to design tailored outdoor education programs led by experienced instructors to meet each school's specific goals, providing activities like hiking, camping, science lessons, team-building exercises, and more. The document provides details on the types of activities and destinations offered, safety protocols, typical schedules, equipment needs, and their overall mission to give students a positive outdoor learning experience.