In English, all capital words are used only when you are very angary, almost equal to shouting or cursing. This way I suggest you never use these capitals again.
Su Wei says the children are excited to learn to read and write, and she says their parents are happy that their children can getting an education without having to leave their village.
However, it is estimated that 880 million adults around the world are illiterate, that is, they are unable to read or write. A majority of them are women.