The top 5 Connecticut high school baseball programs since 1970 are:
Waterford Lancers - 10 championships
Plainville Blue Devils - 8 championships
Amity Regional Spartans - 7 championships
Notre Dame (West Haven) Green Knights - 6 championships
(Tie) St. Joseph (Trumbull) Cadets - 5 championships
(Tie) Trinity Catholic (Stamford) Crusaders - 5 championships
(Tie) New London Whalers - 5 championships
(Tie) East Catholic (Manchester) Eagles - 5 championships
(Tie) Shelton Gaels - 5 championships
(Tie) Berlin Redcoats - 5 championships
(Tie) North Haven Nighthawks - 5 championships
(Tie) Gilbert Yellowjackets -5 championships
(Tie) Shepaug (Valley) Spartans - 5 championships
(Tie) Griswold Wolverines - 5 championships