The purpose of the ILST course is to teach Scouts with leadership positions about their new roles and how to most effectively reach success in that role. It is intended to help Boy Scouts in leadership positions within their troop understand their responsibilities and to equip them with organizational and leadership skills to fulfill those responsibilities. Completion of ILST conducted by the Troop Scoutmaster or Assistant Scoutmaster entitles the scouts to wear the “Trained” leader emblem on their Class “A” uniform. ILST is the first course in the series of leadership training offered to Boy Scouts and is a replacement for Troop Leadership Training. Completion of ILST is a prerequisite for Boy Scouts to participate in the more advanced leadership courses National Youth Leadership Training (NYLT) and the National Advanced Youth Leadership Experience (NAYLE). It is also required to participate in a Kodiak Challenge Trek.
This leadership training is given primarily by the Scoutmaster and the senior patrol leader to all the youth leaders in their troop. ALL Boy Scout troops should conduct the ILST course with every leadership shift—whether it is when the youth get a new troop position or a patrol leadership role, or even when they welcome a new patrol member.