I think there are ways for primary school students to learn without spending money or spending too much money. I don't want to sign up for the training class. It's too expensive to be worth it.
1. Use your library card to borrow books from the library. 2. Find a caring old teacher around you to help and give some fees appropriately. 3. Participate in free children's activities in the community. 4. Let children do more housework and participate in some military summer camps. Parents should have extensive knowledge to interact with their children.