|The St. Charles Lacrosse Club fields Girls and Boys high school teams at the Varsity, Junior Varsity and Freshman levels.
Boys' teams are aligned by high school, with a separate St Charles East Varsity, Jr Varsity and Freshman team and a separate St Charles North Varsity, Jr Varsity and Freshman team.
Boys' teams compete in the Illinois High School Lacrosse Association (IHSLA) and are members of the Upstate Conference.
The Girls' teams combines students from St Charles East and St Charles North on a single co-op Varsity and single co-op Junior Varsity squad.
The Girls' teams compete in the DuPage Conference.
The Club plays a nonconference and, when feasible, out-of-state schedule, and has traveled in the past to Indiana, Kentucky, Minnesota, Missouri, North Carolina, Texas and Wisconsin to face upper-tier competition as well.
The Club is overseen by a parent Board and parent volunteers, with a professional coaching staff. Teams adhere to IHSA (Illinois High School Association) rules and as noted are members of the IHSLA (Illinois High School Lacrosse Association).
The Club is a 501(c)3 organization supported through player fees, corporate and private sponsorship, and fundraising events.