The student body is aproximately 500 students in grades 6 - 12. Despite its small size, BLS is able to offer a large variety of classes and extracurricular activities. Both its girls' and boys' sports teams are competitive in the demanding IAAM and MIAA leagues. During the 2006 - 2007 school year, the girls' track team won their forth consecutive "B" conference championship; and the girls' lacrosse team one their second consecutive "C" conference championship. The girls' volleyball, boys' cross-country, boys' soccer, girls' field hockey, girls' indoor soccer, and girls' basketball teams were also successful; all of them made it deep into the playoffs.