Yes, the Church expects Catholics to study their religion. Yes, the Church expects parents to teach doctrine and practice to their children. Yes, this continues until we can no longer do so.
To be a Catholic and not read or study is to be a lax Catholic, unless one is physically/mentally not able. I see young children at the TLM reading books on farms and trucks, animals and princesses. Why? They should be reading child's missals or at least saint books. Habits begin early, very early.
End of rant.....