Sr. High Mission Trips: Individuals: Orphans and vulnerable children: 1 to 2 weeks: Central America: $500 to $1000 - Browse by Continent : MissionGuide.globalSr. High Mission Trips: Individuals: Orphans and vulnerable children: 1 to 2 weeks: Central America: $500 to $1000 - Browse by Continent : MissionGuide.global