Rankings · Connecticut
Largest schools in High schools in Connecticut
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | Danbury High School | Danbury | Danbury School District | 3340 |
| 2 | Greenwich High School | Greenwich | Greenwich School District | 2748 |
| 3 | New Britain High School | New Britain | New Britain School District | 2286 |
| 4 | Westhill High School | Stamford | Stamford School District | 2236 |
| 5 | Trumbull High School | Trumbull | Trumbull School District | 2136 |
| 6 | Norwich Free Academy | Norwich | Norwich Free Academy District | 2102 |
| 7 | Southington High School | Southington | Southington School District | 2030 |
| 8 | Southington High School | Southington | Southington School District | 1979 |
| 9 | Glastonbury High School | Glastonbury | Glastonbury School District | 1926 |
| 10 | Stamford High School | Stamford | Stamford School District | 1914 |
| 11 | Staples High School | Westport | Westport School District | 1803 |
| 12 | Brien Mcmahon High School | Norwalk | Norwalk School District | 1710 |
| 13 | East Hartford High School | East Hartford | East Hartford School District | 1675 |
| 14 | Manchester High School | Manchester | Manchester School District | 1640 |
| 15 | Hamden High School | Hamden | Hamden School District | 1616 |
| 16 | Ridgefield High School | Ridgefield | Ridgefield School District | 1595 |
| 17 | Ridgefield High School | Ridgefield | Ridgefield School District | 1558 |
| 18 | West Haven High School | West Haven | West Haven School District | 1554 |
| 19 | Wilbur Cross High School | New Haven | New Haven School District | 1547 |
| 20 | Fairfield Ludlowe High School | Fairfield | Fairfield School District | 1546 |
| 21 | Central High School | Bridgeport | Bridgeport School District | 1545 |
| 22 | Enfield High School | Enfield | Enfield School District | 1520 |
| 23 | Hall High School | West Hartford | West Hartford School District | 1491 |
| 24 | Fairfield Warde High School | Fairfield | Fairfield School District | 1471 |
| 25 | Norwalk High School | Norwalk | Norwalk School District | 1466 |
| 26 | Conard High School | West Hartford | West Hartford School District | 1451 |
| 27 | Amity Regional High School | Woodbridge | Regional School District 05 | 1444 |
| 28 | Newtown High School | Sandy Hook | Newtown School District | 1439 |
| 29 | Darien High School | Darien | Darien School District | 1382 |
| 30 | Cheshire High School | Cheshire | Cheshire School District | 1367 |
| 31 | New Canaan High School | New Canaan | New Canaan School District | 1344 |
| 32 | New Milford High School | New Milford | New Milford School District | 1292 |
| 33 | Newington High School | Newington | Newington School District | 1283 |
| 34 | South Windsor High School | South Windsor | South Windsor School District | 1282 |
| 35 | Shelton High School | Shelton | Shelton School District | 1281 |
| 36 | Naugatuck High School | Naugatuck | Naugatuck School District | 1278 |
| 37 | Simsbury High School | Simsbury | Simsbury School District | 1277 |
| 38 | Wilton High School | Wilton | Wilton School District | 1272 |
| 39 | Middletown High School | Middletown | Middletown School District | 1269 |
| 40 | Farmington High School | Farmington | Farmington School District | 1267 |
| 41 | Crosby High School | Waterbury | Waterbury School District | 1217 |
| 42 | John F. Kennedy High School | Waterbury | Waterbury School District | 1216 |
| 43 | Francis T. Maloney High School | Meriden | Meriden School District | 1208 |
| 44 | Bristol Central High School | Bristol | Bristol School District | 1201 |
| 45 | Warren Harding High School | Bridgeport | Bridgeport School District | 1193 |
| 46 | Achievement First Hartford Academy | Hartford | Achievement First Hartford Academy District | 1163 |
| 47 | James Hillhouse High School | New Haven | New Haven School District | 1156 |
| 48 | Pomperaug Regional High School | Southbury | Regional School District 15 | 1145 |
| 49 | Amistad Academy | New Haven | Amistad Academy District | 1134 |
| 50 | Achievement First Bridgeport Academy | Bridgeport | Achievement First Bridgeport Academy District | 1127 |
| 51 | Wethersfield High School | Wethersfield | Wethersfield School District | 1123 |
| 52 | Guilford High School | Guilford | Guilford School District | 1114 |
| 53 | Bristol Eastern High School | Bristol | Bristol School District | 1108 |
| 54 | Guilford High School | Guilford | Guilford School District | 1102 |
| 55 | Wilby High School | Waterbury | Waterbury School District | 1091 |
| 56 | Windsor High School | Windsor | Windsor School District | 1084 |
| 57 | E. O. Smith High School | Storrs | Regional School District 19 | 1063 |
| 58 | Stratford High School | Stratford | Stratford School District | 1051 |
| 59 | The Woodstock Academy | Woodstock | The Woodstock Academy District | 1043 |
| 60 | Masuk High School | Monroe | Monroe School District | 1032 |
| 61 | Hartford Magnet Trinity College Academy | Hartford | Hartford School District | 1026 |
| 62 | Bunnell High School | Stratford | Stratford School District | 1022 |
| 63 | Lyman Hall High School | Wallingford | Wallingford School District | 1017 |
| 64 | East Lyme High School | East Lyme | East Lyme School District | 1010 |
| 65 | Orville H. Platt High School | Meriden | Meriden School District | 1008 |
| 66 | Robert E. Fitch High School | Groton | Groton School District | 982 |
| 67 | Avon High School | Avon | Avon School District | 957 |
| 68 | Daniel Hand High School | Madison | Madison School District | 954 |
| 69 | North Haven High School | North Haven | North Haven School District | 949 |
| 70 | Bethel High School | Bethel | Bethel School District | 935 |
| 71 | Bassick High School | Bridgeport | Bridgeport School District | 904 |
| 72 | Berlin High School | Berlin | Berlin School District | 903 |
| 73 | Brookfield High School | Brookfield | Brookfield School District | 902 |
| 74 | Rockville High School | Vernon | Vernon School District | 897 |
| 75 | Rham High School | Hebron | Regional School District 08 | 887 |
| 76 | Torrington High School | Torrington | Torrington School District | 887 |
| 77 | East Haven High School | East Haven | East Haven School District | 879 |
| 78 | Hartford Public High School | Hartford | Hartford School District | 844 |
| 79 | Jonathan Law High School | Milford | Milford School District | 838 |
| 80 | Bullard-Havens Technical High School | Bridgeport | Connecticut Technical Education and Career System | 828 |
| 81 | Joseph A. Foran High School | Milford | Milford School District | 828 |
| 82 | Joel Barlow High School | Redding | Regional School District 09 | 827 |
| 83 | Platt Technical High School | Milford | Connecticut Technical Education and Career System | 823 |
| 84 | Ellington High School | Ellington | Ellington School District | 813 |
| 85 | Waterbury Career Academy | Waterbury | Waterbury School District | 807 |
| 86 | W. F. Kaynor Technical High School | Waterbury | Connecticut Technical Education and Career System | 800 |
| 87 | Weston High School | Weston | Weston School District | 798 |
| 88 | Capital Preparatory Harbor School | Bridgeport | Capital Preparatory Harbor School District | 785 |
| 89 | H. C. Wilcox Technical High School | Meriden | Connecticut Technical Education and Career System | 782 |
| 90 | A. I. Prince Technical High School | Hartford | Connecticut Technical Education and Career System | 781 |
| 91 | Branford High School | Branford | Branford School District | 779 |
| 92 | Waterford High School | Waterford | Waterford School District | 778 |
| 93 | Academy Of Science And Innovation | New Britain | Capitol Region Education Council | 777 |
| 94 | Academy Of Aerospace And Engineering | Windsor | Capitol Region Education Council | 776 |
| 95 | Suffield High School | West Suffield | Suffield School District | 776 |
| 96 | Elm City College Preparatory School | New Haven | Elm City College Preparatory School District | 774 |
| 97 | Watertown High School | Watertown | Watertown School District | 773 |
| 98 | Tolland High School | Tolland | Tolland School District | 766 |
| 99 | Mark T. Sheehan High School | Wallingford | Wallingford School District | 760 |
| 100 | Ledyard High School | Ledyard | Ledyard School District | 753 |
| 101 | Killingly High School | Dayville | Killingly School District | 744 |
| 102 | Rocky Hill High School | Rocky Hill | Rocky Hill School District | 738 |
| 103 | Bacon Academy | Colchester | Colchester School District | 733 |
| 104 | H. H. Ellis Technical High School | Danielson | Connecticut Technical Education and Career System | 717 |
| 105 | Metropolitan Learning Center For Global And International St | Bloomfield | Capitol Region Education Council | 713 |
| 106 | Kinsella Magnet School Of Performing Arts | Hartford | Hartford School District | 712 |
| 107 | Henry Abbott Technical High School | Danbury | Connecticut Technical Education and Career System | 711 |
| 108 | Lewis S. Mills High School | Burlington | Regional School District 10 | 703 |
| 109 | New Fairfield High School | New Fairfield | New Fairfield School District | 698 |
| 110 | Emmett O'Brien Technical High School | Ansonia | Connecticut Technical Education and Career System | 692 |
| 111 | Wolcott High School | Wolcott | Wolcott School District | 688 |
| 112 | Jumoke Academy | Hartford | Jumoke Academy District | 685 |
| 113 | Norwich Technical High School | Norwich | Connecticut Technical Education and Career System | 679 |
| 114 | Howell Cheney Technical High School | Manchester | Connecticut Technical Education and Career System | 678 |
| 115 | E. C. Goodwin Technical High School | New Britain | Connecticut Technical Education and Career System | 676 |
| 116 | Nonnewaug High School | Woodbury | Regional School District 14 | 676 |
| 117 | Plainville High School | Plainville | Plainville School District | 673 |
| 118 | Great Oaks Charter School | Bridgeport | Great Oaks Charter School District | 670 |
| 119 | Capital Preparatory Magnet School | Hartford | Hartford School District | 660 |
| 120 | Hill Regional Career High School | New Haven | New Haven School District | 652 |
| 121 | Emmett O'Brien Technical High School | Ansonia | Connecticut Technical Education and Career System | 648 |
| 122 | Woodland Regional High School | Beacon Falls | Regional School District 16 | 644 |
| 123 | Sport And Medical Sciences Academy | Hartford | Hartford School District | 643 |
| 124 | Oliver Wolcott Technical High School | Torrington | Connecticut Technical Education and Career System | 633 |
| 125 | The Academy Of Information Technology & Engineering | Stamford | Stamford School District | 628 |
| 126 | Northwestern Regional High School | Winsted | Regional School District 07 | 624 |
| 127 | Eli Whitney Technical High School | Hamden | Connecticut Technical Education and Career System | 623 |
| 128 | Seymour High School | Seymour | Seymour School District | 617 |
| 129 | Stonington High School | Pawcatuck | Stonington School District | 616 |
| 130 | Haddam-Killingworth High School | Higganum | Regional School District 17 | 615 |
| 131 | Sport And Medical Sciences Academy | Hartford | Hartford School District | 606 |
| 132 | Windham High School | Willimantic | Windham School District | 604 |
| 133 | Bulkeley High School | Hartford | Hartford School District | 592 |
| 134 | Engineering - Science University Magnet School | West Haven | New Haven School District | 589 |
| 135 | Ella T. Grasso Technical High School | Groton | Connecticut Technical Education and Career System | 578 |
| 136 | Valley Regional High School | Deep River | Regional School District 04 | 576 |
| 137 | Cooperative High School - Inter-District Magnet | New Haven | New Haven School District | 571 |
| 138 | Granby Memorial High School | Granby | Granby School District | 569 |
| 139 | The Morgan School | Clinton | Clinton School District | 564 |
| 140 | Plainfield High School | Central Village | Plainfield School District | 553 |
| 141 | Cromwell High School | Cromwell | Cromwell School District | 552 |
| 142 | New London High School | New London | New London School District | 537 |
| 143 | Connecticut River Academy At Goodwin University | East Hartford | Learn | 533 |
| 144 | East Hampton High School | East Hampton | East Hampton School District | 523 |
| 145 | Oxford High School | Oxford | Oxford School District | 521 |
| 146 | Ledyard Middle School | Gales Ferry | Ledyard School District | 515 |
| 147 | Bloomfield High School | Bloomfield | Bloomfield School District | 506 |
| 148 | Ansonia High School | Ansonia | Ansonia School District | 503 |
| 149 | Griswold High School | Griswold | Griswold School District | 503 |
| 150 | Montville High School | Oakdale | Montville School District | 495 |