A TGH provides therapeutic living services: For at least four but not more than eight children; By providing access to a combination of developmental, diagnostic, and therapeutic mental health services; When possible, in the child's community of origin; and In a home-like environment. The chief executive officer of a TGH shall assure that a TGH: Provides to each child in the TGH mental health care and treatment: That can reasonably be expected to benefit the child; and By an adequate staff or, under agreement, by a provider of mental health services; Has sufficient staff to provide adequate supervision to the children in the TGH, including 24-hour supervision for each resident not participating in a program outside the TGH; and Coordinates treatment in the TGH with the appropriate public or nonpublic educational program. The chief executive officer of the TGH shall assure that services are: Appropriate to the cultural and psychosocial developmental needs of the child; Provided by staff who: As determined by the program, are appropriately credentialed and privileged; and Organize and manage the therapeutic milieu to: Foster clinically appropriate social, cognitive, emotional, and physical growth; Handle aggression in a nonpunitive manner that promotes growth and learning; Reinforce the child's ability to function with peers in a social environment; Model and provide opportunities for children to behave in age-appropriate ways, such as assuming responsibility for carrying out routine activities, exhibiting independence and initiative in planning their own activities, getting along with others, and demonstrating age-appropriate social skills; Facilitate the child's awareness of appropriate behavior in a predictable, constructive, and timely manner; and Help children to make choices and to negotiate disagreements among themselves, rather than resolving conflicts for them; Provided in an environment that is: Consistent with existing standards of program design; and Organized consistent with the learning styles and developmental needs of the child; and Designed to foster positive relationships between the child and the child's parents or guardians and, if other than a parent, the child's primary caretaker, and the anticipated post-placement caretaker.