Existing research suggests that one of the challenges for teachers in persisting with innovative inquiry curricula is their difficulty scaffolding students’ transitions into technology-supported and open-ended activities.This article addresses the nature and role of students’ collaborations in learning through design, a technology-rich science inquiry curriculum. The authors paid particular attention to how students with varying degrees of previous experience in this curricular approach collaborated with one another. The authors found that experienced fifth graders took on many socializing functions, effectively apprenticing younger students into the practices of learning through design.