Military Road School (Washington, District of Columbia)
Mill Cove School (Sagadahoc County, Maine)
Mill Neck School (Hertford County, North Carolina)
Mill Rock School (Jackson County, Iowa)
Millard Academy (Millard County, Utah)
Millard High School Gymnasium (Millard County, Utah)
Millboro School (Bath County, Virginia)
Millen High School (Jenkins County, Georgia)
Miller Hall (Greene County, Pennsylvania)
Miller School of Albemarle (Albemarle County, Virginia)
Miller-Washington School (Wagoner County, Oklahoma)
Mills Hall (Alameda County, California)
Millville School (Merrimack County, New Hampshire)
Millwood Colored School (Clarke County, Virginia)
Milpitas Grammar School (Santa Clara County, California)
Milton Moore Elementary School (Jackson County, Missouri)
Milwaukee Normal School--Milwaukee Girls' Trade and Technical High School (Milwaukee County, Wisconsin)
Former school now serving the Milwaukee Rescue Mission
Milwaukee-Downer "Quad" (Milwaukee County, Wisconsin)
Four A.C. Eschweiler designed buidlings that were the basis of Milwaukee Downer College.
Mimbres School (Grant County, New Mexico)
Mimosa School (Lincoln County, Tennessee)
Minden Elementary School (Douglas County, Nevada)
Miner Normal School (Washington, District of Columbia)
Mineral Springs Community Building (Washington County, Arkansas)
Minnesota State Training School (Goodhue County, Minnesota)
Minster Elementary School (Auglaize County, Ohio)
Minthorn Hall (Yamhill County, Oregon)
Minto School (Walsh County, North Dakota)
Mission House (Mackinac County, Michigan)
Mission House Historic District (Sheboygan County, Wisconsin)
Part of a larger, historical college in Sheboygan County
Mission San Juan Capistrano (Orange County, California)
Missouri Heights School (Garfield County, Colorado)
Mitchell Hall (Latimer County, Oklahoma)
Mo--Ark Baptist Academy (Carroll County, Arkansas)
Moberly Junior High School (Randolph County, Missouri)
Modale School and Masonic Hall (Monroe County, Iowa)
Model School (Stearns County, Minnesota)
Modena Elementary School (Iron County, Utah)
Modern Times School (Suffolk County, New York)
Moffett's Creek Schoolhouse (Augusta County, Virginia)
Mohawk Valley School (Yuma County, Arizona)
Molino Lodge Building (Tehama County, California)
Monmouth Park School (Douglas County, Nebraska)
Monroe School (Maricopa County, Arizona)
Monroe School (Erie County, Ohio)
Monroe Street School (Rowan County, North Carolina)
Monson Developmental Center (Hampshire County, Massachusetts)
Montana Deaf and Dumb Asylum (Jefferson County, Montana)
Montana State Normal School (Beaverhead County, Montana)
Monte Vista School (Bernalillo County, New Mexico)
Montegut School (Terrebonne Parish, Louisiana)
Monterey Grade School (Owen County, Kentucky)
Monterey High School (Highland County, Virginia)
Monterey Place (Mobile County, Alabama)
Montezuma Schoolhouse (Summit County, Colorado)
Montgomery Hall (Oktibbeha County, Mississippi)
Montgomery High School (Henderson County, Tennessee)
Montgomery Street School (Jefferson County, Kentucky)
Monticello Consolidated School (Lawrence County, Mississippi)
Monticello High School (Jasper County, Georgia)
Monticello High School (Jefferson County, Florida)
Montpelier Female Institute (Monroe County, Georgia)
Montrose (Howard County, Maryland)
Montrose Schoolhouse (Montgomery County, Maryland)
Moore Building (Pulaski County, Arkansas)
Moore Public School Building (Cleveland County, Oklahoma)
Moorefield School (Independence County, Arkansas)
Moorehead Stagecoach Inn (Ida County, Iowa)
Mooresburg School (Montour County, Pennsylvania)
Mooresville Friends Academy Building (Morgan County, Indiana)
Mooringsport School (Caddo Parish, Louisiana)
Moose Temple (Fond du Lac County, Wisconsin)
Moreauville High School (Avoyelles Parish, Louisiana)
Morehead State University (Rowan County, Kentucky)
Moreland School (Trimble County, Kentucky)
Morewood School (Berkshire County, Massachusetts)
Morgan Elementary School (Morgan County, Utah)
Morgan School (Nash County, North Carolina)
Morrill Hall (Story County, Iowa)
Morrill Hall, Cornell University (Tompkins County, New York)
Morris High School (Stevens County, Minnesota)
Morris Ranch Schoolhouse (Gillespie County, Texas)
Morrison Schoolhouse (Jefferson County, Colorado)
Morristown School (Morris County, New Jersey)
Morristown Schoolhouse (St. Lawrence County, New York)
Morrow Hall (Independence County, Arkansas)
Morse High School (Sagadahoc County, Maine)
Morse High School (former) (Sagadahoc County, Maine)
Built in 1904, burned 1926
Morton School (Tippecanoe County, Indiana)
Moscow High School (Latah County, Idaho)
Moss School Gymnasium (Hughes County, Oklahoma)
Mother Seton House (Baltimore, Maryland)
Mott School and Second Street School (Mercer County, New Jersey)
Moultrie High School (Colquitt County, Georgia)
Mount Adams Public School (Hamilton County, Ohio)
Mount de Chantal Visitation Academy (Ohio County, West Virginia)
Mount de Sales Academy (Baltimore County, Maryland)
Mount Olive High School (Former) (Wayne County, North Carolina)
Mount Pleasant School (St. Louis, Missouri)
Mount Rose Elementary School (Washoe County, Nevada)
Mount Saint Bernard Seminary and Barn (Dubuque County, Iowa)
Most assuredly closed to the public
Mount Sinai School (Autauga County, Alabama)
A historic Rosenwald School in rural Autauga County, Alabama, northwest of Prattville.
Mount St. Gertrude Academy (Boulder County, Colorado)
Mount St. Joseph Academy (Daviess County, Kentucky)
Mount St. Joseph Academy (Hartford County, Connecticut)
Mount St. Scholastica Convent (Atchison County, Kansas)
Mount Vernon High School (Fairfax County, Virginia)
Mountain Crest Academy (Franklin County, Arkansas)
2 story rock school/dormitory
Mountain Home High School (Elmore County, Idaho)
Mountain School (Oconto County, Wisconsin)
Mountain View School (Pope County, Arkansas)
Mt. Airy School No. 27 (New Castle County, Delaware)
Mt. Healthy Public School (Hamilton County, Ohio)
Mt. Hood School House (Hood River County, Oregon)
Mt. Hope School (Scioto County, Ohio)
One-room school used from 1886-1936 in original condition
Mt. Mercy Academy and Convent (Kent County, Michigan)
Mt. Meridian Schoolhouse (Augusta County, Virginia)
Mt. Olive Rosenwald School (Bradley County, Arkansas)
Mt. Pleasant School (Alamosa County, Colorado)
Mt. Pleasant School (Berkeley County, West Virginia)
Mt. Prospect School for Boys (Middlesex County, Massachusetts)
Mt. Sidney School (Augusta County, Virginia)
Mt. Zion Rosenwald School (Florence County, South Carolina)
Mt. Zion Schoolhouse (Augusta County, Virginia)
Muhlenberg School (Philadelphia County, Pennsylvania)
Mukwonago High School (Waukesha County, Wisconsin)
Former high school building, demolished after school moved to a new building
Mulberry Home Economics Building (Crawford County, Arkansas)
Munfordville School (Hart County, Kentucky)
Munn's School (Hopkins County, Kentucky)
Murdock School (Worcester County, Massachusetts)
Murphey School (Orange County, North Carolina)
Murphy High School (Mobile County, Alabama)
Murphys Grammar School (Calaveras County, California)
Murray Hill School (Cuyahoga County, Ohio)
Murrell Dobbins Vocational School (Philadelphia County, Pennsylvania)
Mycenae Schoolhouse (Onondaga County, New York)
Myers Hall (Clark County, Ohio)
Myers School (Lincoln County, Idaho)
Myrtle Street School (Hampden County, Massachusetts)
Mystery School on CR 248 (Bollinger County, Missouri)
Naaman's Creek School (New Castle County, Delaware)
Naomi Institute (Cass County, Nebraska)
Nara Visa School (Quay County, New Mexico)
Nash Law Office (Orange County, North Carolina)
Nashville Children's Museum (Davidson County, Tennessee)
Nashville Christian Institute Gymnasium (Davidson County, Tennessee)
Nassau Hall, Princeton University (Mercer County, New Jersey)
Nathan Clifford School (Cumberland County, Maine)
Nathan L. Bachman School (Hamilton County, Tennessee)
Nathaniel Bacon School (Richmond, Virginia)
Nathaniel Hawthorne School (Philadelphia County, Pennsylvania)
National War College (Washington, District of Columbia)
Natrona County High School (Natrona County, Wyoming)
Natural History Building (Champaign County, Illinois)
Nazareth Convent and Academy (Cloud County, Kansas)
Nazareth Hall Tract (Northampton County, Pennsylvania)
Nazareth House (Monroe County, New York)
Nebgen School (Gillespie County, Texas)
Neighborhood House (Multnomah County, Oregon)
Neihart School (Cascade County, Montana)
Nellie Leland School (Wayne County, Michigan)
Nelliston School (Montgomery County, New York)
Nelson School (Washington County, Minnesota)
Nelson Schoolhouse (Cheshire County, New Hampshire)
Nemo School House (Lawrence County, South Dakota)
Neosho High School (Newton County, Missouri)
Nesquehoning High School (Carbon County, Pennsylvania)
Neville High School (Ouachita Parish, Louisiana)
New Albany School # 2 (Floyd County, Indiana)
Old School built in 1915
New Blaine School (Logan County, Arkansas)
New England Conservatory of Music (Suffolk County, Massachusetts)
New Enterprise Public School (Bedford County, Pennsylvania)
New Goshen District No. 2 School (Vigo County, Indiana)
New Home School Building (Jackson County, Arkansas)
New Hope High School (Augusta County, Virginia)
New Hope Rosenwald School (Chambers County, Alabama)
A Rosenwald School built in 1915.
New Hope School (Cross County, Arkansas)
New Hope School (Washington County, Indiana)
very late 1 room school reasonably intact
New Iberia High School (Iberia Parish, Louisiana)
New Jersey Hall (Middlesex County, New Jersey)
New Liberty School (Logan County, Arkansas)
New Liberty School (Calhoun County, Mississippi)
New London Academy (Bedford County, Virginia)
New Lyme Institute (Ashtabula County, Ohio)
New Main--Augsburg Seminary (Hennepin County, Minnesota)
New Mt. Pisgah School (White County, Arkansas)