<P> Corporal punishment, also referred to as "physical punishment" or "physical discipline," is defined as utilizing physical force, no matter how light, to cause deliberate bodily pain or discomfort in response to some undesired behavior . In schools in the United States, this punishment often takes the form of either a teacher or school principal striking the student's buttocks with a wooden paddle (sometimes called "spanking"). </P> <P> The practice was held constitutional in the 1977 Supreme Court case Ingraham v. Wright, where the Court held that the Cruel and Unusual Punishments Clause of the Eighth Amendment did not apply to disciplinary corporal punishment in public schools, being restricted to the treatment of prisoners convicted of a crime . In the years since, a number of U.S. states have banned corporal punishment in public schools, with the most recent state to outlaw school corporal punishment being New Mexico in 2011 . </P> <P> As of 2014, a student is hit in a U.S. public school an average of once every 30 seconds . </P>

When did corporal punishment in schools become illegal
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