Sr. High Mission Trips: 1 to 2 weeks: Merge: Evangelism- Friendship/Discipleship: $500 to $1000: Individuals: December - Browse by Start year : MissionGuide.globalSr. High Mission Trips: 1 to 2 weeks: Merge: Evangelism- Friendship/Discipleship: $500 to $1000: Individuals: December - Browse by Start year : MissionGuide.global