After completing a perfect season, Maryvale Prep (Md.) is again No. 1 in the High School On SI Baltimore-DMV girls lacrosse Top 25 poll. The Lions (19-0 overall) defeated McDonogh School (Md.) last Friday for a second straight Interscholastic Athletic Association of Maryland (IAAM) A Conference title. The win puts Maryvale Prep in position for the nation’s No. 1 ranking (currently ranked No. 1 by Inside Lacrosse and US Lacrosse). Our Lady of Good Counsel (Md.) is No. 2 after handling poll newcomer (No. 12) Saint Paul’s Catholic VI (Va.) in the Washington Catholic Athletic Conference (WCAC) final Monday at Georgetown University. It’s the fifth straight title for the Olney, Md. school. ‘ Defending Maryland Class 2A state champ Manchester Valley, newly crowned Independent School League (ISL) AA Division champ Saint Stephen’s & St. Agnes (Va.), and McDonogh complete the Top 5.…