PATERSON, NJ - The Passaic County Prosecutor's Office says Paterson teacher Thomas Weir had hosted one of his former students at his city apartment, but the youth fled when Weir was preparing to engage in sex with him.

That incident was covered in the latest charges filed against Weir, according to Chief Assistant Passaic County Prosecutor Joseph Del Russo.

The youth had been a seventh grade student of Weir at School 15, authorities said. Under the latest charges, filed on Monday, authorities are accusing Weir of offering three of his former elementary students money for sex, including two instances in which he allegedly contacted the boys on Facebook and made the sexual advances to them.

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Weir, 50, previously had been accused of offering a fourth student $50 for sex. That student is from the Kennedy high school complex.

Authorities say the investigation into Weir's alleged activities is continuing.

On February 24, authorities charged Weir with three counts of promoting prostitution of a child in allegations that involve three of his former seventh grade students, according to a press release issued by Passaic County Prosecutor Camelia M. Valdes and Passaic County Sheriff Richard Berdnik. The students currently range in age from 13 to 17, the press release said. Weir also was charged with one new count of endangering the welfare of a child, authorities said.

Weir, a Paterson teacher for 21 years, has been suspended with pay since the initial charges were filed against him. Those offenses were attempted sexual assault, attempted endangering the welfare of a child, luring/enticing a child and official misconduct.

Weir had taught at city elementary schools, including School 15, before he was transferred to Kennedy for the current academic year. He previously had been accused of criminal sexual contact involving a Passaic County Community College student, where he had also taught, but was acquitted by a jury in 2005.

Authorities say Weir was still in jail on Monday when the additional charges were levied against him. He has since been released on bail.

Superior Court Judge Raymond Reddin reviewed Weir’s bail on Monday, ordering the teacher to surrender his passport and directed the Passaic County Sheriff to place Weir on a GPS ankle monitor, according to the prosecutor's office. His bail remained at $500,000.