Tennessee Code Title 34. Guardianship § 34-6-302

(a)(1) A parent or parents of a minor child may delegate to any adult person residing in this state temporary care-giving authority regarding the minor child when hardship prevents the parent or parents from caring for the child. This authority may be delegated without the approval of a court by executing in writing a power of attorney for care of a minor child on a form provided by the department of children's services. Hardships may include but are not limited to:

(2) A local education agency (LEA) is not required to enroll a student with a power of attorney stating a hardship other than one (1) of the three (3) specifically stated in subdivisions (a)(1)(A)-(C). The LEA may, however, enroll a student with a properly executed power of attorney for other hardships on a case by case basis.