A prime lesson of sports is learning how to play well with others, and having boys and girls together in sport is fantastic. Boys and girls get to be together in athletic settings in swimming, golf, cross country and track. Tennis plays at different seasons, but tennis has mixed doubles elsewhere. Varsity swimming teams do appeal to both boys and girls. The training and competition events are held in the same places and at the same times. Life is co-ed. Much of swimming is too. The top girl swimmers in the city can beat the boys. Fine. I am an advocate for blended team experiences.