I grew up in a middle-class family, and as a kid I was generally expected to be aware of when we had a pool day, or a skating rink day coming up, and to be responsible for bringing the right clothing/sundries on every day in school. Using the analog technology of 'remember it', assisted by 'write it down in your day planner'[1].

[1] Which I would never do. My memory, as an eight-year old was, of course, infallible.