Decades of outdoor education The concepts and methods of the 523 school are based on the rationale of Outward Bound International and the National Outdoor Leadership School (NOLS).
半世紀的戶外冒險教育五二三的觀念和做法來自於國際外展學校（Outward Bound，簡稱 OB）和戶外冒險領導學校（National Outdoor Leadership School，簡稱 NOLS）的理論系統。