
A high school theater and music teacher in Morris County is under investigation for allegedly sexually assaulting a teenage student multiple times, according to NJ101.5. William Arnold, 53, of Wayne, is now facing charges, including first-degree aggravated sexual assault, following an inquiry by Pequannock Police and the Morris County Prosecutor’s Office.
Authorities say Arnold, the director of theater and vocal music at Pequannock Township High School, located at 85 Sunset Rd, Pompton Plains, NJ 07444, assaulted the victim, a student in his program, on several occasions last year. The victim was 15 and 16 years old at the time of the alleged incidents. Prosecutor Robert Carroll confirmed the charges, which also include fourth-degree criminal sexual contact, second-degree sexual assault, endangering the welfare of a child, and official misconduct.
Following the allegations, Arnold was placed on administrative leave by the school district. Pequannock Township High School, which enrolls 671 students, has been coordinating with law enforcement throughout the investigation. Superintendent Michael Portas assured the community in a statement that safety remains the district’s top priority.
“Our guidance counselors are available to all students and families during this time,” Portas stated in a letter to parents and staff.
Just days before his arrest, Arnold co-directed a school musical, “The Wedding Singer,” a production that included participation from adults and high school alumni. Posts on Arnold’s social media accounts show him as a married father of three.
As of Tuesday afternoon, it was unclear whether Arnold had retained legal representation. The school district has not disclosed additional details, including how long Arnold has been employed in the district. The investigation remains ongoing.

When a child experiences abuse at the hands of a trusted educator, families are left grappling with emotional and legal challenges. Understanding the steps to hold perpetrators and institutions accountable can be overwhelming. In a conversation with New Jersey sexual abuse attorney Eric Weitz, we explore the legal pathways available for teacher-student sexual abuse victims and their families, offering guidance on how they can navigate this difficult process.
Editor Darla Medina: Cases like this are devastating for the victims and their families. What legal avenues are available for a student who has experienced abuse by a teacher in New Jersey?
Attorney Eric Weitz: Victims in these situations can pursue both criminal and civil actions. The criminal process is handled by law enforcement and the prosecutor’s office, with the goal of holding the perpetrator accountable through the justice system. At the same time, victims may also have the right to file a civil lawsuit against the offender or any institutions that may have failed to protect them.
Medina: What role does the school district play in these cases?
Weitz: The school district could potentially bear liability if there’s evidence they were aware of inappropriate behavior and failed to act. Under New Jersey law, schools have a legal duty to ensure the safety of their students. If that duty was breached, the district may face claims of negligence.
Medina: For victims who are hesitant to come forward, what would you advise?
Weitz: I would tell them that they are not alone. There are resources, legal professionals, and advocacy groups ready to support them. Reporting abuse can feel overwhelming, but it’s an important step in seeking accountability and healing.
If you or a loved one has been a victim of sexual abuse by an educator or authority figure, you don’t have to face this alone. Our team is here to support you and provide the guidance you need. Contact us today for a free, confidential consultation to discuss your legal options and begin the path to justice and healing.
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