- Date: July 12–18, 1966
- 1,500 Participants
- Theme: “Tell the World”
- Speakers: George Coulter, Edward Lawlor, Harmon Schmelzenbach III, John Hancock
- The event saw 200 students indicate a call to missionary service with another 200 expressing a call to another form of Christian ministry.
- The 1966 International Institute ended with a special witnessing project coordinated by the Colorado District NYPS.
- “The whole course of my life has been changed since International Institute. It was there through the sermons by our missionary that I felt more strongly than ever that God was calling me to the mission field.” – student participant
- “International Institute brought me nearer to Christ and made me love Him more than I did before. Now just the memory of it is helping me to serve Him as He wants me to.” – student participant
- “There will be no end to the benefits in and through the lives of these open-hearted teenagers.” – Paul Skiles
