The demand for nannies is strong and growing. Formal credentials or other credentials are not required to begin a nannying role, however, many customers would prefer a bachelor’s degree in psychology or family and consumer sciences. Additionally, vocational schools exist to train potential nannies in childcare skills. Many states require a background check to make sure you will be safe with children. Nannies have an aptitude for communication, patience and physical stamina, as well as strong interpersonal skills.