Cassidy has been with Seacoast Field hockey for 2 years. She graduated from Southern New Hampshire University in 2019 with a Bachelor’s degree in Accounting and a minor in Criminal Justice. A four year offender on the Penmen’s field hockey team, Cassidy was selected on the All Rookie Team her freshman year and All-American Second Team her senior year. Cassidy was the first All-American in program history for the Penmen field hockey team. In 2018 she helped lead the team to its first ever playoff appearance. Prior to attending college, Cassidy played field hockey at Merrimack Valley High School where in her senior year, she earned First Team All-State recognition and also selected to play for the New Hampshire team. Her team also were state runner ups her junior year.