I think the poster was asking about club programs and high schools... I don't have specific numbers or know if these are completely accurate, but here are a few...

Hawks - St. Mary's, Spalding, Severn
Club Blue/DC Dawgs - Matre Dei
Bethesda/DC Express - Landon/Bullis
Crabs - Boys Latin / Loyola / Gilman / McDonogh
FCA - Calvert Hall