What type of nonacademic knowledge do students learn through informal learning and cultural transmission?

The correct answer is D. Hidden curriculum.

Explanation: The hidden curriculum refers to the unwritten, informal lessons that students learn outside of the formal academic curriculum. This includes social norms, values, and cultural expectations that are conveyed through interactions, behaviors, and the environment within educational settings. It encompasses nonacademic knowledge that students assimilate through their experiences in school and social settings.