“The child welfare system is a group of services designed to promote the well-being of children by ensuring safety, achieving permanency, and strengthening families to successfully care for their children. Most families first become involved with the child welfare system due to a report of suspected child abuse or neglect (sometimes called “child maltreatment”). Child maltreatment is defined by Federal law as serious harm (neglect, physical abuse, sexual abuse, and emotional abuse or neglect) caused to children by parents or primary caregivers, such as extended family members or babysitters. Child maltreatment can also include harm that a caregiver allows to happen (or does not prevent from happening) to a child. In general, child welfare agencies do not intervene in cases of harm to children caused by acquaintances or strangers. These cases are the responsibility of law enforcement. The child welfare system is not a single entity. Many organizations in each community work together to strengthen families and keep children safe. Public agencies (departments of social services, child and family services, etc.) often contract and collaborate with private child welfare agencies and community-based organizations to provide services to families, such as in-home (“family preservation”) services, foster care, residential treatment, mental health care, substance abuse treatment, parenting skills classes, employment assistance, and financial or housing assistance.” – Publisher’s description