The United States District Court for the Western District of Pennsylvania has held that the infliction of corporal punishment on a child by school authorities against the expressed wishes of a parent is violative of a fundamental right of parental liberty.
Glaser v. Marietta, 351 F. Supp. 555 (W.D. Pa. 1972).
Alan N. Braverman,
Corporal Punishment - Schools and School Districts - Constitutional Law,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol12/iss3/14