The varsity lacrosse team also won the ISL Championship in 2017. After being ranked as high as #8 in the national rankings, the team was invited to the first annual Geico High School Lacrosse Nationals hosted by Catholic University and broadcast on ESPN. The Arrows took down St. Anne's-Belfield School with a final score of 21-8 and then lost 10-12 to The Hill Academy (Ontario, Canada). They were invited back to the tournament the following two seasons, losing both times in the first round to The Hill Academy and Salisbury School respectively.