Many Lakeside Athletics programs offer Middle School counterparts, where students grades 5-8 can introduce themselves to a new sport, practice and compete with their classmates, and benefit from physical activity and education. Middle School teams are overseen by program heads who are charged with program-wide coordination, management, and structuring for every team from 5th grade to their Upper School varsity team.

Most Middle School teams compete in the Catholic Youth Organization (CYO); boys lacrosse teams participate in the Seattle Metropolitan Youth Lacrosse Association; crew is offered as an instructional team that does not compete in a league.

Middle School teams are “no cut,” meaning any student who wants to be a part of a team is given that chance. Each season, teams are built based on grade, and some teams are offered at junior varsity and varsity, or AA and AAA based on skill level.

Teams offered at the Middle School vary from year to year and season to season, and are based on student interest and league, coach, and facility availability. Registrations are sent out by the Assistant Director of Athletics for the Middle School, and usually open a few months prior to each fall, winter, and spring season.

In the 2019-2020 school year, Lakeside offered the following teams: