Sr. High Mission Trips: 1 to 2 months: 2024: $500 to $1000: Groups: August: Service Projects & Helps - Browse by Continent : MissionGuide.globalSr. High Mission Trips: 1 to 2 months: 2024: $500 to $1000: Groups: August: Service Projects & Helps - Browse by Continent : MissionGuide.global