The SMS is intended for people with a wide variety of gifting and background, who feel called to join Steiger's mission to reach and disciple the Global Youth Culture for Jesus. It is a requirement for those who want to be Steiger missionaries.

It is a life-changing school in which students spend dedicated time seeking God, learn from experienced frontline missionaries, participate in music and artistic events, and reach out to the local youth scene on a weekly basis. Upon completing the SMS, students have many opportunities to serve with Steiger.