| District name | City name | County name |
|---|---|---|
| Achievement First Hartford Ac | New Haven | New Haven County |
| Amistad Academy District | New Haven | New Haven County |
| Andover School District | Andover | Tolland County |
| Ansonia School District | Ansonia | New Haven County |
| Area Cooperative Educational | North Haven | New Haven County |
| Ashford School District | Ashford | Windham County |
| Avon School District | Avon | Hartford County |
| Barkhamsted School District | Barkhamsted | Litchfield County |
| Berlin School District | Berlin | Hartford County |
| Bethany School District | Bethany | New Haven County |
| Bethel School District | Bethel | Western Connecticut Planning Region |
| Bloomfield School District | Bloomfield | Hartford County |
| Bolton School District | Bolton | Tolland County |
| Booker T Washington Academy D | New Haven | New Haven County |
| Bozrah School District | Bozrah | New London County |
| Branford School District | Branford | New Haven County |
| Brass City Charter School Dis | Waterbury | New Haven County |
| Bridgeport Achievement First | New Haven | New Haven County |
| Bridgeport School District | Bridgeport | Fairfield County |
| Bristol School District | Bristol | Naugatuck Valley Planning Region |
| Brookfield School District | Brookfield | Fairfield County |
| Brooklyn School District | Brooklyn | Windham County |
| Canaan School District | Canaan | Northwest Hills Planning Region |
| Canterbury School District | Canterbury | Windham County |
| Canton School District | Canton | Capitol Planning Region |
| Capital Preparatory Harbor School | Bridgeport | Greater Bridgeport Planning Region |
| Capitol Region Education Coun | Hartford | Hartford County |
| Chaplin School District | Chaplin | Windham County |
| Charter School For Young Chil | Hartford | Hartford |
| Cheshire School District | Cheshire | New Haven County |
| Chester School District | Deep River | Middlesex County |
| Clinton School District | Clinton | Middlesex County |
| Colchester School District | Colchester | New London County |
| Colebrook School District | Colebrook | Litchfield County |
| Columbia School District | Columbia | Tolland County |
| Common Ground High School Dis | New Haven | New Haven County |
| Connecticut Technical High School | Hartford | Hartford County |
| Cooperative Educational Servi | Trumbull | Fairfield County |
| Cornwall School District | Cornwall | Litchfield County |
| Coventry School District | Coventry | Tolland County |
| Cromwell School District | Cromwell | Middlesex County |
| Danbury School District | Danbury | Fairfield County |
| Darien School District | Darien | Fairfield County |
| Deep River School District | Deep River | Middlesex County |
| Department Of Mental Health A | Hartford | Capitol Planning Region |
| Derby School District | Derby | New Haven County |
| East Granby School District | East Granby | Hartford County |
| East Haddam School District | East Haddam | Lower Connecticut River Valley Planning Region |
| East Hampton School District | East Hampton | Middlesex County |
| East Hartford School District | East Hartford | Hartford County |
| East Haven School District | East Haven | New Haven County |
| East Lyme School District | East Lyme | New London County |
| East Windsor School District | East Windsor | Hartford County |
| Eastern Connecticut Regional | Hampton | Windham County |
| Eastford School District | Eastford | Windham County |
| Easton School District | Easton | Fairfield County |
| Edadvance | Litchfield | Litchfield County |
| Ellington School District | Ellington | Tolland County |
| Elm City College Preparatory | New Haven | New Haven County |
| Elm City College School District | New Haven | New Haven |
| Elm City Montessori School Di | New Haven | New Haven County |
| Enfield School District | Enfield | Hartford County |
| Essex School District | Deep River | Middlesex County |
| Explorations District | Winsted | Litchfield County |
| Fairfield School District | Fairfield | Fairfield County |
| Farmington School District | Farmington | Capitol Planning Region |
| Franklin School District | Franklin | Southeastern Connecticut Planning Region |
| Glastonbury School District | Glastonbury | Hartford County |
| Goodwin University Educational Services (GUES) | East Hartford | Capitol Planning Region |
| Granby School District | Granby | Hartford County |
| Great Oaks Charter School Bri | Bridgeport | Fairfield County |
| Greenwich School District | Greenwich | Fairfield County |
| Griswold School District | Griswold | New London County |
| Groton School District | Stonington | Southeastern Connecticut Planning Region |
| Guilford School District | Guilford | New Haven County |
| Hamden School District | Hamden | New Haven County |
| Hampton School District | Hampton | Windham County |
| Hartford School District | Hartford | Hartford County |
| Hartland School District | Hartland | Northwest Hills Planning Region |
| Hebron School District | Hebron | Tolland County |
| Highville Charter School | New Haven | South Central Connecticut Planning Region |
| Integrated Day Charter School | Norwich | New London County |
| Intrdist Sch For Arts And Com | New London | New London County |
| Judicial Centers | Glastonbury | Hartford County |
| Jumoke Academy District | Hartford | Hartford County |
| Kent School District | Kent | Litchfield County |
| Killingly School District | Killingly | Northeastern Connecticut Planning Region |
| Learn | Old Lyme | New London County |
| Lebanon School District | Lebanon | New London County |
| Ledyard School District | Ledyard | Southeastern Connecticut Planning Region |
| Lisbon School District | Lisbon | New London County |
| Litchfield School District | Litchfield | Litchfield County |
| Madison School District | Madison | New Haven County |
| Manchester School District | Manchester | Hartford County |
| Mansfield School District | Mansfield | Capitol Planning Region |
| Marlborough School District | Marlborough | Hartford County |
| Meriden School District | Meriden | New Haven County |
| Middletown School District | Middletown | Middlesex County |
| Milford School District | Milford | New Haven County |
| Monroe School District | Monroe | Fairfield County |
| Montville School District | Montville | Southeastern Connecticut Planning Region |
| Naugatuck School District | Naugatuck | New Haven County |
| New Beginnings Inc. | Bridgeport | Fairfield County |
| New Britain School District | New Britain | Capitol Planning Region |
| New Canaan School District | New Canaan | Fairfield County |
| New Fairfield School District | New Fairfield | Fairfield County |
| New Hartford School District | New Hartford | Northwest Hills Planning Region |
| New Haven School District | New Haven | New Haven County |
| New London School District | New London | New London County |
| New Milford School District | New Milford | Litchfield County |
| Newington School District | Newington | Hartford County |
| Newtown School District | Newtown | Fairfield County |
| Norfolk School District | Norfolk | Litchfield County |
| North Branford School Distric | Northford | South Central Connecticut Planning Region |
| North Canaan School District | Canaan | Litchfield County |
| North Haven School District | North Haven | New Haven County |
| North Stonington School Distr | North Stonington | New London County |
| Norwalk School District | Norwalk | Western Connecticut Planning Region |
| Norwich Free Academy | Norwich | New London County |
| Norwich School District | Norwich | New London County |
| Odyssey Community School District | Manchester | Hartford County |
| Office of Early Childhood (Oec) | Hartford | Hartford County |
| Old Saybrook School District | Old Saybrook | Middlesex County |
| Orange School District | Orange | New Haven County |
| Oxford School District | Oxford | New Haven County |
| Park City Prep Charter School | Bridgeport | Fairfield County |
| Path Academy District | Windham | Windham |
| Plainfield School District | Plainfield | Windham County |
| Plainville School District | Plainville | Hartford County |
| Plymouth School District | Plymouth | Naugatuck Valley Planning Region |
| Pomfret School District | Pomfret | Northeastern Connecticut Planning Region |
| Portland School District | Portland | Middlesex County |
| Preston School District | Preston | Southeastern Connecticut Planning Region |
| Putnam School District | Putnam | Windham County |
| Redding School District | Easton | Fairfield County |
| Regional School District 01 | Canaan | Northwest Hills Planning Region |
| Regional School District 04 | Deep River | Middlesex County |
| Regional School District 05 | Woodbridge | New Haven County |
| Regional School District 06 | Litchfield | Litchfield County |
| Regional School District 07 | Winsted | Litchfield County |
| Regional School District 08 | Hebron | Tolland County |
| Regional School District 09 | Easton | Fairfield County |
| Regional School District 10 | Burlington | Hartford County |
| Regional School District 11 | Chaplin | Windham County |
| Regional School District 12 | Washington | Northwest Hills Planning Region |
| Regional School District 13 | Durham | Middlesex County |
| Regional School District 14 | Woodbury | Litchfield County |
| Regional School District 15 | Middlebury | New Haven County |
| Regional School District 16 | Prospect | New Haven County |
| Regional School District 17 | Haddam | Lower Connecticut River Valley Planning Region |
| Regional School District 18 | Old Lyme | New London County |
| Regional School District 19 | Mansfield | Capitol Planning Region |
| Ridgefield School District | Ridgefield | Fairfield County |
| Rocky Hill School District | Rocky Hill | Hartford County |
| Salem School District | Salem | New London County |
| Salisbury School District | Salisbury | Northwest Hills Planning Region |
| Scotland School District | Scotland | Windham County |
| Seymour School District | Seymour | New Haven County |
| Sharon School District | Sharon | Litchfield County |
| Shelton School District | Shelton | Fairfield County |
| Sherman School District | Sherman | Western Connecticut Planning Region |
| Side By Side Community School | Norwalk | Fairfield County |
| Simsbury School District | Simsbury | Hartford County |
| Somers School District | Somers | Tolland County |
| South Windsor School District | South Windsor | Hartford County |
| Southington School District | Southington | Hartford County |
| Sprague School District | Sprague | Southeastern Connecticut Planning Region |
| Stafford School District | Stafford | Capitol Planning Region |
| Stamford Academy | Stamford | Fairfield County |
| Stamford Charter School For E | Stamford | Fairfield County |
| Stamford School District | Stamford | Fairfield County |
| Sterling School District | Sterling | Windham County |
| Stonington School District | Stonington | Southeastern Connecticut Planning Region |
| Stratford School District | Stratford | Fairfield County |
| Suffield School District | Suffield | Hartford County |
| The Bridge Academy District | Bridgeport | Fairfield County |
| The Gilbert School | Winsted | Litchfield County |
| Thomaston School District | Thomaston | Litchfield County |
| Thompson School District | Thompson | Northeastern Connecticut Planning Region |
| Tolland School District | Tolland | Tolland County |
| Torrington School District | Torrington | Litchfield County |
| Trailblazers Academy District | Stamford | Fairfield County |
| Trumbull School District | Trumbull | Fairfield County |
| Unified School District #2 | Hartford | Hartford County |
| Union School District | Union | Tolland County |
| Vernon School District | Vernon | Tolland County |
| Voluntown School District | Voluntown | New London County |
| Wallingford School District | Wallingford | New Haven County |
| Waterbury School District | Waterbury | New Haven County |
| Waterford School District | Waterford | New London County |
| Watertown School District | Watertown | Litchfield County |
| West Hartford School District | West Hartford | Hartford County |
| West Haven School District | West Haven | New Haven County |
| Westbrook School District | Westbrook | Middlesex County |
| Weston School District | Weston | Fairfield County |
| Westport School District | Westport | Fairfield County |
| Wethersfield School District | Wethersfield | Hartford County |
| Willington School District | Willington | Tolland County |
| Wilton School District | Wilton | Fairfield County |
| Winchester School District | Winsted | Litchfield County |
| Windham School District | Windham | Southeastern Connecticut Planning Region |
| Windsor Locks School District | Windsor Locks | Hartford County |
| Windsor School District | Windsor | Hartford County |
| Wolcott School District | Wolcott | New Haven County |
| Woodbridge School District | Woodbridge | New Haven County |
| Woodstock Academy | Woodstock | Windham County |
| Woodstock School District | Woodstock | Northeastern Connecticut Planning Region |