Surin was once part of a wider Khmer empire that encompassed parts of modern-day Thailand and Vietnam.
The Mustin, which is commanded by an American-Cambodian, arrived in Preah Sihanouk province, for a five-day visit.
Cambodia has the highest per capita population of youth: those between 10 to 24 years old make up 35 percent of the populace.
VOA Khmer spoke with David Chandler, a Cambodian scholar and author and former diplomat posted in Phnom Penh.
Cambodian-Americans face social, cultural and economic difficulties, along with similar communities from Laos and Vietnam.
Their teachers are also farmers or market vendors, supplementing their incomes with outside work that keeps them out of the classroom.
This BarCamp was Cambodia's third annual gathering, but it has seen a doubling in attendance since 2008.
The hope was to equip them with skills for their advanced education.
Chhany Sak Humphry was awarded the Regent's Medal for Excellence in Teaching at the University of Hawaii.