Connecticut - Area of significance: Education
| Academy of Our Lady of Mercy at Lauralton Hall |
| Aldrich Free Public Library |
| Ann Street Historic District |
| Ansonia Library |
| Ashford Academy |
| Bacon Academy |
| Baldwin, Amos, House |
| Barnard, Henry, House |
| Bellamy, Joseph, House |
| Bingham, Clarence A., School |
| Birdcraft Sanctuary |
| Bishop School |
| Bristol Girls' Club |
| Bristol High School |
| Broad Street School |
| Brookfield Center Historic District |
| Bulkeley School |
| Cannondale Historic District |
| Commodore Hull School |
| Connecticut Hall, Yale University |
| Cossitt, Frederick H., Library |
| Crandall, Prudence, House |
| Cream Hill Agricultural School |
| Curtis Memorial Library |
| East District School |
| East Haven High School |
| East Windsor Hill Historic District |
| Eclectic House, The |
| Farmington Historic District |
| Farwell Barn |
| Fourth District School |
| Glenville School |
| Goffe Street Special School for Colored Children |
| Goshen Historic District |
| Greenfield Hill Historic District |
| Hamden High School |
| Hartford Seminary Foundation |
| Hill's Academy |
| Israel Putnam School |
| Killingly High School, Old |
| Lambert, David, House |
| Lathrop, Dr. Daniel, School |
| Locust Avenue School |
| Main Street Historic District |
| Maplewood School |
| Middle Haddam School |
| Mount St. Joseph Academy |
| Mystic Bridge Historic District |
| New Britain Public High School Campus |
| North-West School |
| O'Connell, Clara T., School |
| Old Farm Schoolhouse |
| Old Middletown High School |
| Old Rockville High School and East School |
| Pine Grove Historic District |
| Putnam High School |
| Rosemary Hall |
| Saint Anthony Hall |
| Salem Historic District |
| Salem School |
| Seaside Institute |
| Seymour High School and Annex |
| South School |
| Southwest District School |
| Southwest District School |
| Stafford Hollow Historic District |
| Steward's House, Foreign Mission School |
| St. Mary's Parochial School |
| Stonington High School |
| Umpawaug District School |
| Uncasville School |
| Union School |
| University of Connecticut Historic District-Connecticut Agricultural School |
| Wadsworth Atheneum |
| Waltersville School |
| Washington School |
| Washington Street School |
| Watkinson Juvenile Asylum and Farm School |
| Webster, Noah, Birthplace |
| Webster, Noah, Memorial Library |
| Webster School |
| Welch Training School |
| West Street School |
| Wilby High School |
| Williams, Captain Benjamin House |
| Williams Memorial Institute |
| Woodrow Wilson High School |
| Woodstock Academy Classroom Building |
| Wylie School |
| Xi Chapter, Psi Upsilon Fraternity |
Data from United States Park Service and Wikidata
