Is your child "so shy" that they won't even speak? It may be selective mutism.
The important thing to ensure as parents is that your children are in healthy peer groups.
Young children learn through play, which by its very nature provides a context for physical, social, emotional, cognitive creative and linguistic learning.
Want to improve your child's grades? Try hitting the gym instead of the books. Research shows it could be a great way to help your child succeed in school.