Children may need time to adjust to new environments. Parents should be patient and encourage their children to take care of themselves and make new friends. If a child continues to be introverted and unwilling to speak, consider whether there might be psychological issues such as depression or autism, and seek professional counseling.
A parent describes their four-and-a-half-year-old child having difficulty communicating with peers, being introverted and not good at interacting with strangers.