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Billerica Police Department Promotes Sarah Heffernan to Sergeant

BILLERICA — Chief Roy Frost is pleased to report that the Billerica Police Department promoted School Resource Officer Sarah Heffernan to the rank of Sergeant, making her only the third woman to earn promotion within the department. 
Billerica Police Sgt. Sarah Heffernan stands by as Chief Roy Frost makes comments during a ceremony promoting Heffernan to the rank of sergeant. She becomes just the third woman in Billerica Police history to reach the rank of sergeant. (Photo Courtesy Billerica Police Department)

BILLERICA — Chief Roy Frost is pleased to report that the Billerica Police Department promoted School Resource Officer Sarah Heffernan to the rank of Sergeant, making her only the third woman to earn promotion within the department. 

Sgt. Heffernan is an 11-year veteran of law enforcement, dedicated to ensuring the safety and well-being of her community. A native of Billerica and a proud graduate of Billerica Memorial High School, Sgt. Heffernan pursued higher education at Westfield State College, where she graduated with honors, earning a double major in Criminal Justice and Psychology.

Sgt. Heffernan began her law enforcement career in the patrol division and quickly established herself as a committed and compassionate officer. Her early work in the Adopt-a-School program allowed her to foster positive relationships with local schools, paving the way for her future role as a School Resource Officer (SRO). Before becoming a full-time SRO, she served as a part-time SRO at the Valley Collaborative High School in Billerica, further honing her skills in youth engagement and conflict resolution.

In 2020, Sgt. Heffernan transitioned to her role as the full-time SRO at Shawsheen Valley Technical High School, where she continued to make a significant impact on student safety, mentoring, and community outreach. Through her extensive experience and passion for student development, Sgt. Heffernan is a trusted figure at Shawsheen Valley Tech, fostering an environment where students can thrive both academically and personally.

Outside of her professional life, Sgt. Heffernan resides locally with her husband and two children.

Sgt. Heffernan is the third female Billerica officer to achieve the rank of Sergeant, following now-retired Sgt. Cathy Coneeny and current Lt. Tara Connors.

Due to her promotion, Sgt. Heffernan will now serve as a patrol supervisor. Officer Greg Micalizzi will be taking over the position as School Resource Officer at Shawsheen Tech. 

Billerica Police Sgt. Sarah Heffernan, at center, stands with commanders and colleagues after she was promoted to sergeant this week. From left are Officer Charles Guarino, Sgt. Dwayne Eidens, Officer Chris Philbrook, Lt. John Zarro, Lt Commander Frank Mirasolo, Chief Roy Frost, Sgt. Heffernan, Deputy Chief Glen Magnan, Officer Greg Micalizzi, Lt. Commander John Harring, Officer Paul Ware, and Officer Shane Casey. (Photo Courtesy Billerica Police Department)

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