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| Connecticut High School Leagues |
| 2009-10 |
| Berkshire League | Central Connecticut Conference | Constitution State Conference |
| Gilbert Housatonic Regional Lewis Mills Litchfield Nonnewaug Northwestern Shepaug Valley Terryville Thomaston Wamogo Wolcott Tech |
Berlin Bloomfield Bristol Central Bristol Eastern Bulkeley Conard E.O. Smith East Catholic East Hartford Farmington Fermi Glastonbury Hall Hartford Public Maloney Manchester Middletown New Britain Newington Northwest Catholic Plainville Platt RHAM Rockville Rocky Hill Simsbury South Windsor Southington Tolland Weaver Wethersfield Windsor |
Abbott Tech Acad. of the Holy Family Bullard Havens Tech Capital Prep Magnet Cheney Tech Classical Magnet Ellis Tech Goodwin Tech Grasso Tech Kaynor Tech Norwich Tech O'Brien Tech Parish Hill Platt Tech Prince Tech University Vinal Tech Whitney Tech Wilcox Tech Windham Tech |
| Eastern Connecticut Conference | Fairfield County Interscholastic Athletic Conference | North Central Connecticut Conference |
| Bacon Academy East Lyme Fitch Griswold Killingly Ledyard Lyman Memorial Montville New London Norwich Free Academy Plainfield Putnam St. Bernard Stonington Tourtellotte Waterford Wheeler Windham Woodstock Academy |
Bassick Bridgeport Central Brien McMahon Danbury Darien Fairfield Ludlowe Fairfield Warde Greenwich Harding New Canaan Norwalk Ridgefield St. Joseph Stamford Staples Trinity Catholic Trumbull Westhill Wilton |
Avon Bolton Canton Coventry East Granby East Windsor Ellington Enfield Granby Memorial Somers Stafford Suffield Windsor Locks |
| Naugatuck Valley League | Southern Connecticut Conference | Shoreline Conference |
| Ansonia Crosby Derby Holy Cross Kennedy Naugatuck Sacred Heart Seymour St. Paul Catholic Torrington Watertown Wilby Wolcott Woodland |
Amity Branford Career Magnet Cheshire Daniel Hand East Haven Fairfield Prep Foran Guilford Hamden Hillhouse Jonathan Law Lyman Hall Mercy North Haven Notre Dame-West Haven Sacred Heart Academy Sheehan Shelton West Haven Wilbur Cross Xavier |
Coginchaug Cromwell East Hampton Haddam-Killingworth Hale Ray Hyde Leadership Morgan North Branford Old Lyme Old Saybrook Portland Valley Regional Westbrook |
| Southwest Conference | Independents | |
| Bethel Brookfield Bunnell Immaculate Joel Barlow Kolbe Cathedral Lauralton Hall Masuk New Fairfield New Milford Newtown Notre Dame-Fairfield Oxford Pomperaug Stratford Weston |
Amistad Academy SMSA Stamford Academy |