Christian schools aim at producing graduates who demonstrate Christian character or Christian worldview. How well do they fare in this mission? This case study reveals the actual worldview of students in a Christian high school in Surabaya, Indonesia: Their thoughts about God, Jesus, salvation, family, friends, struggles, success, and other major aspects of their lives. How can Christian schools improve their effectiveness in carrying out their Christian education mission? This study is followed by the formulation of a strategy for worldview transformation that Christian schools can implement...