A Uniondale High School teacher accused of raping a minor pleaded not guilty Thursday at his arraignment on a 13-count indictment including sex crimes charges, officials and court records said.

Lionel Harvey, 38, was released on $150,000 bond after the proceeding in Nassau County Court, authorities said. He is due back in court on Sept. 14.

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His attorney could not be reached for comment.

Harvey, who at one time taught AP-level world history at the high school, was charged in May with raping a minor. Sources have said that the alleged victim is not a student at the school.

The charges in the indictment include first-degree rape, first-degree attempted rape, second-degree rape, first-degree sex abuse, endangering the welfare of a child. All but the endangering charge are felonies.