Former Govenor Livingston High School science teacher Frank M. Melchiorre has been sentenced to seven years in prison for serving alcohol to minors at his home.

Superior Court Judge Thomas Monahan handed down the sentence after Melchiorre, 27, pleaded guilty to four counts of endangering the welfare of a child.

The plea came after Melchiorre was charged with possessing under 50 grams of marijuana and drug paraphernalia, providing alcohol to someone under the age of 21 and allowing underage drinking in his home on Nov. 3, 2010.

Melchiorre, 27, admitted before Judge Stuart A. Minkowitz that both he and the students used alcohol and marijuana while socializing at his apartment. All of the students involved attended Governor Livingston High School, although none of them, according to Melchiorre, were students of his own.

Melchiorre, who lives in Chatham, was arrested in 2010 when it was learned he was making his home available to underage high school students who were consuming alcohol.

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