8 months is like adding the eggs to the cake after it has been baked. There is too much at stake during those early years. Children must come from optimal infancies and toddlerhoods to be ready for school success. Of course not. The best approach is to teach and empower their parents.
Parents have all the power when it comes to very young children.
What they may not have is information, motivation and resources. Those are the things that society must find a way to provide them. Every Senator and Congressman should hear that message from every one of us. But don't hold your breath waiting for Washington to understand the importance of the early years. Start wherever you are.