School

Colgate Grade School (Clark County, Indiana)
Old School converted to offices
College Apartments (Greene County, Missouri)
College Hall (Washington County, Vermont)
College Hall (Fayette County, Iowa)
College Hall (Seneca County, Ohio)
College Hall, University Of Pennsylvania (Philadelphia County, Pennsylvania)
College Hall, Wilmington College (Clinton County, Ohio)
College of Charleston (Charleston County, South Carolina)
College of Medicine of Maryland (Baltimore, Maryland)
College of the City of New York (New York County, New York)
College of Wooster (Wayne County, Ohio)
College Park Airport (Prince George's County, Maryland)
College Street School (Fulton County, Georgia)
Collins School (Steuben County, Indiana)
Collister School (Ada County, Idaho)
Colonial Place (Norfolk, Virginia)
Columbia Central High School (Maury County, Tennessee)
Columbia College (Umatilla County, Oregon)
Columbia County High School (Columbia County, Florida)
Columbian School (Jefferson County, Kentucky)
Columbian School (Douglas County, Nebraska)
Columbian School (Colfax County, New Mexico)
Columbus High School (Muscogee County, Georgia)
Columbus Investment Company Building (Muscogee County, Georgia)
Columns, The (Hertford County, North Carolina)
Colusa Carnegie Library (Colusa County, California)
Colusa Grammar School (Colusa County, California)
Colusa High School and Grounds (Colusa County, California)
Commerce Building (Snohomish County, Washington)
Commodore Hull School (Fairfield County, Connecticut)
Common School No. 10 (Ulster County, New York)
Como School (Park County, Colorado)
Comstock Hall (Tompkins County, New York)
Comstock Public School (Clay County, Minnesota)
Con Creek School (Mendocino County, California)
Concordia Log Cabin College (Perry County, Missouri)
Conduit Road Schoolhouse (Washington, District of Columbia)
Confederate State Capitol (Hempstead County, Arkansas)
Congregational Church (St. Lawrence County, New York)
Conifer Junction Schoolhouse (Jefferson County, Colorado)
Connecticut Hall, Yale University (New Haven County, Connecticut)
Connell, William M., School (Bristol County, Massachusetts)
Conroy Junior High School (Allegheny County, Pennsylvania)
Constitution Hall (Fairbanks North Star Borough, Alaska)
Converse Hall (Salt Lake County, Utah)
Cony High School (Kennebec County, Maine)
Cook County Hospital Administration Building (Cook County, Illinois)
Historic abandoned hospital.
Cool Springs High School (Rutherford County, North Carolina)
Cooper Hall (Rice County, Kansas)
Cooper School (Alamance County, North Carolina)
Cooper Union (New York County, New York)
Coos Bay Carnegie Library (Coos County, Oregon)
Coplin Plantation Schoolhouse (Franklin County, Maine)
Cora B. Whitney School (Bennington County, Vermont)
Coral Gables Elementary School (Miami-Dade County, Florida)
Coralville Public School (Johnson County, Iowa)
Open by appointment
Corcoran Gallery of Art (Washington, District of Columbia)
Corcoran Hall (Washington, District of Columbia)
Corcoran School (Worcester County, Massachusetts)
Cordell Carnegie Public Library (Washita County, Oklahoma)
Cordova School (Shelby County, Tennessee)
Corinth Village (Penobscot County, Maine)
Corlett School (Laramie County, Wyoming)
Cornelius Hedges Elementary School (Flathead County, Montana)
Cornell--Van Nostrand House (Nassau County, New York)
Cornish School (King County, Washington)
Cornland School (Chesapeake, Virginia)
Corona High School (Riverside County, California)
Coronado School (Bernalillo County, New Mexico)
Corriher Grange Hall (Rowan County, North Carolina)
Cortez High School (Montezuma County, Colorado)
Cortez Historic District (Manatee County, Florida)
Cote House (Sullivan County, New Hampshire)
Cottage Schools, The (Churchill County, Nevada)
Cotter High School Gymnasium, Old (Baxter County, Arkansas)
Cotton and Maple Streets School (Berks County, Pennsylvania)
Cottonwood Community Center (Payne County, Oklahoma)
Cottonwood School (Gallatin County, Montana)
Cottonwood School #45 (Boone County, Arkansas)
Cougar Gulch School III (Kootenai County, Idaho)
Coughlin School (Bristol County, Massachusetts)
County Line School and Lodge (Fulton County, Arkansas)
Court Street School (Monmouth County, New Jersey)
Cove Creek High School (Watauga County, North Carolina)
Covell Street School (Providence County, Rhode Island)
Covington High School (Covington, Virginia)
Coweta School & Auditorium (Wagoner County, Oklahoma)
Cowley Park (Spokane County, Washington)
Crabapple School (Gillespie County, Texas)
Craigsville School (Augusta County, Virginia)
Crain Hill School and Church (Van Buren County, Tennessee)
Cranbrook (Oakland County, Michigan)
Cranch School (Norfolk County, Massachusetts)
Crane Hill Masonic Lodge (Cullman County, Alabama)
A "free standing gable front" structure built in 1904.
Cranor School (Hopkins County, Kentucky)
Crawfis Institute (Fairfield County, Ohio)
Crawfordsville High School (Montgomery County, Indiana)
Cream Hill Agricultural School (Litchfield County, Connecticut)
Crescent Elementary School (Salt Lake County, Utah)
Crescent School (Lincoln County, Oklahoma)
Creststone School (Saguache County, Colorado)
Crimora School (Augusta County, Virginia)
Crispus Attucks High School (Marion County, Indiana)
Cross School (Morgan County, Indiana)
Crossroads School (Washington County, Indiana)
rare wood 1 room school with intact interior
Crouse College, Syracuse University (Onondaga County, New York)
Crow Island School (Cook County, Illinois)
Crow Valley School (San Juan County, Washington)
Crowley School (Crowley County, Colorado)
Cuero High School (DeWitt County, Texas)
Culver Studio (Fergus County, Montana)
Cumberland Mountain School (Cumberland County, Tennessee)
Cummins School (Hamilton County, Ohio)
Curlew School (Ferry County, Washington)
Curley School (Pima County, Arizona)
Curtis Junior High School (Shawnee County, Kansas)
Curtis School (Arapahoe County, Colorado)
Custer School (Pierce County, Washington)
Cutler Hall (El Paso County, Colorado)
Cypress Street Elementary School (Volusia County, Florida)
D'Youville Academy (Clinton County, New York)
D. Newlin Fell School (Philadelphia County, Pennsylvania)
Dahlonega School #1 (Wapello County, Iowa)
Dakota Wesleyan University (Davison County, South Dakota)
Dallas Graded and High School (Duplin County, North Carolina)
Dallas Graded and High School (Gaston County, North Carolina)
Historic School in Dallas, NC
Dallas Hall (Dallas County, Texas)
Damascus Grade School (Mahoning County, Ohio)
Damascus School (Clackamas County, Oregon)
Dame School (Rockingham County, New Hampshire)
Danebod (Lincoln County, Minnesota)
Daniel Boone School (Philadelphia County, Pennsylvania)
Daniel School (Sublette County, Wyoming)
Daniel Webster High School (Tulsa County, Oklahoma)
Daniel Webster Law Office and Library (Plymouth County, Massachusetts)
Daniels School (Weld County, Colorado)
Daniels, Charles A., School (Middlesex County, Massachusetts)
Dantzler Plantation (Orangeburg County, South Carolina)
Danville Female Academy (Montgomery County, Missouri)
Darlington Schoolhouse (Bergen County, New Jersey)
Dartmouth Street School (Worcester County, Massachusetts)
Dasher High School (Lowndes County, Georgia)
Daughters' College (Mercer County, Kentucky)
David Farragut School (Philadelphia County, Pennsylvania)
David Landreth School (Philadelphia County, Pennsylvania)
David P. Oliver High School (Allegheny County, Pennsylvania)
David Rittenhouse Junior High School (Montgomery County, Pennsylvania)
David Wilmot School (Philadelphia County, Pennsylvania)
Davidson Elementary School (Cleveland County, North Carolina)
Davidson Hall (Walworth County, Wisconsin)
Davidson Hall, Coker College (Darlington County, South Carolina)
Davidson School (Fentress County, Tennessee)
Davie School (Broward County, Florida)
Davis--Warner House (Montgomery County, Maryland)
Davol School (Bristol County, Massachusetts)
Dawson School (Tulsa County, Oklahoma)
Dayton Art Institute (Montgomery County, Ohio)
Dayton Common School (Yamhill County, Oregon)
Dayton High School (Campbell County, Kentucky)
Dayton High School (Yamhill County, Oregon)
Dayton School (Grant County, Oklahoma)
Dayton's Corners School (Monroe County, New York)
De La Howe School (McCormick County, South Carolina)
Deady Hall (Lane County, Oregon)
Dean, Silas, House (Middlesex County, Massachusetts)
Dearborn School (Suffolk County, Massachusetts)
DeBorgia Schoolhouse (Mineral County, Montana)
Debs School (Hinsdale County, Colorado)
Deerfield School (Augusta County, Virginia)
Deerfield School (Broward County, Florida)
Deerfield School (Broward County, Florida)
Defer Elementary School (Wayne County, Michigan)
Degnan School (Latimer County, Oklahoma)
DeLand Hall (Volusia County, Florida)
Delaney School (St. Louis, Missouri)
Delaplaine McDaniel School (Philadelphia County, Pennsylvania)
DeLeon Springs Colored School (Volusia County, Florida)
Delfelder Schoolhouse (Fremont County, Wyoming)
Delgrado School (New Hanover County, North Carolina)
Dell School Campus (Sampson County, North Carolina)
Delmont Public School (Douglas County, South Dakota)
Delphi School (Thurston County, Washington)
Delphi Village School (Onondaga County, New York)
Delray Beach Schools (Palm Beach County, Florida)
Deming School (Laramie County, Wyoming)
Demopolis Public School (Marengo County, Alabama)
A historic public school building in Demopolis, Alabama.
Denmark High School (Bamberg County, South Carolina)
School in Denmark, SC
Dennis High School (Lee County, South Carolina)
Dennison High School (Tuscarawas County, Ohio)