https://www.outwardbound.org.uk
The Outward Bound Trust is an educational charity that uses the outdoors to help develop young people from all walks of life. It runs challenging and adventurous outdoor learning programmes that equip young people with valuable skills for education, work and life.
The charity also deliver sapprentice and graduate development programmes with companies like BAE and Volkswagen, as well as leadership and team development courses.
If you are a school who has used them, please comment below.