A teacher who was described as “obsessed” has confessed to sexually assaulting a 15-year-old boy, reportedly exchanging approximately 25,000 text messages with him.
Allison Havemann-Niedrach, a 45-year-old mother of two from New Jersey, has entered a plea of guilty to a charge of aggravated sexual assault, which could result in a sentence of up to 12 years in prison.
According to a police investigation, the teacher’s illicit relationship with the teenager began in January 2024 and continued until her arrest in June of the same year. Witness accounts from other staff members indicated that Havemann-Niedrach frequently had lunch with the student and was seen behaving inappropriately by rubbing the boy’s back and neck in a flirtatious manner.
The student’s sister also witnessed him sitting in the teacher’s car before he disclosed the sexual relationship to his mother. Subsequent police investigation revealed a trove of approximately 25,000 text messages, including photos and videos, exchanged between the teacher and the student on his phone.
Prosecutors stated that the former teacher, whose LinkedIn profile describes her as a dedicated and sincere educator, was fixated on her alleged victim. The victim reported to the police that their encounters took place at the teacher’s residence and various hotels.
The sentencing is scheduled for May 7, 2026, with the prosecution seeking a 12-year prison term and the revocation of her teaching license.
The Monmouth County Prosecutor’s Office announced, “A former teacher at Freehold Intermediate School has admitted to committing sexual offenses against a teenage student,” said Monmouth County Prosecutor Raymond S. Santiago on Thursday.
During a hearing before Monmouth County Superior Court Judge Jill G. O’Malley, 45-year-old Allison Havemann-Niedrach from Jackson Township (Ocean County) pleaded guilty to a charge of first-degree Aggravated Sexual Assault.
An investigation conducted by the MCPO Special Victims Bureau and Freehold Borough Police Department revealed that the criminal activities of Havemann-Niedrach began in January 2024 and lasted approximately six months, concluding with her arrest in June 2024. An indictment was later issued in March 2025.
The sentencing is tentatively set for Thursday, May 7, 2026, with the State seeking a 12-year prison sentence, forfeiture of public office, surrender of the defendant’s teaching license, Parole Supervision for Life, and registration as a sex offender under Megan’s Law, with the possibility of parole only after serving 85% of the sentence as per New Jersey’s No Early Release Act (NERA).
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