In this collection of papers, we, the Research Group Critical Information Infrastructures (cii) from the Karlsruhe Institute of Technology, present eight selected student research articles contributing to the design, development, and evaluation of critical information infrastructures. During our courses, students mostly work in groups and deal with problems and issues related to sociotechnical challenges in the realm of (critical) information systems. Student papers came from five different cii courses, namely Emerging Trends in Internet Technologies, Emerging Trends in Digital Health, Digital Health, Critical Information Infrastructures, and Selected Issues on Critical Information Infrastructures: Collaborative Development of Innovative Teaching Concepts in summer term of 2021 and the winter term of 2021/2022
