At Collegiate, the boys' teams compete as members of the Virginia Preparatory League in 12 sports. The 8 member schools compete in football, soccer, cross country, indoor track, basketball, wrestling, track & field, swimming & diving, baseball, lacrosse, tennis and golf. The member schools are Christchurch School, Fork Union Military School, Norfolk Academy, St.Anne's-Belfield, St. Christopher's School, Trinity Episcopal School, Woodberry Forest School and Collegiate.
The girls' teams compete as members of the League of Independent Schools (L.I.S.) in 11 sports. The 11 member schools compete in cross country, field hockey, volleyball, indoor track, basketball, lacrosse, softball, soccer, tennis, swimming & diving, and track & field. The member schools are Covenant School, Norfolk Academy, St.Anne's-Belfield, St. Catherine's School, Saint Gertrude High School, St.Margaret's School, Steward School, Trinity Episcopal School and Collegiate.
The following is a compilation of League and State championships.