Sr. High Mission Trips: Individuals: Orphans and vulnerable children: 1 to 2 weeks: Central America: $1000 to $3000 - Browse by Start year : MissionGuide.globalSr. High Mission Trips: Individuals: Orphans and vulnerable children: 1 to 2 weeks: Central America: $1000 to $3000 - Browse by Start year : MissionGuide.global