Frances Benjamin Johnston, A class in mathematical geography studying earth’s rotation around the sun, Hampton Institute, Hampton, Virginia, 1899.
Source: Frances Benjamin Johnston Collection, Library of Congress

Frances Benjamin Johnston, A class in mathematical geography studying earth’s rotation around the sun, Hampton Institute, Hampton, Virginia, 1899.

Source: Frances Benjamin Johnston Collection, Library of Congress

Magnús Ólafsson, A class in Menntaskólinn í Reykjavík (Reykjavik Junior College), Iceland, 1918-1919.
Source: Reykjavík Museum of Photography

Magnús Ólafsson, A class in Menntaskólinn í Reykjavík (Reykjavik Junior College), Iceland, 1918-1919.

Source: Reykjavík Museum of Photography

Putnam School, Boston, Massachusetts, 1892.
Source: Boston Public Library, Norman B. Leventhal Map Center

Putnam School, Boston, Massachusetts, 1892.

Source: Boston Public Library, Norman B. Leventhal Map Center

Students in class at University High School, Melbourne, Victoria, Australia, 1930s.
Source: University High School, Melbourne Archives

Students in class at University High School, Melbourne, Victoria, Australia, 1930s.

Source: University High School, Melbourne Archives

John Dominis, An American girl living in India, sitting in class, India, September 1957.

John Dominis, An American girl living in India, sitting in class, India, September 1957.

Frances Benjamin Johnston, A history class at Tuskegee Institute, Tuskegee, Alabama, USA, 1902.

Frances Benjamin Johnston, A history class at Tuskegee Institute, Tuskegee, Alabama, USA, 1902.

John Vachon, Rural school children, San Augustine County, Texas, April 1943.
Source: Library of Congress

John Vachon, Rural school children, San Augustine County, Texas, April 1943.

Source: Library of Congress

 Southworth & Hawes, Emerson School for Girls, Boston, Massachusetts, ca. 1850.
Source: Metropolitan Museum of Art, New York

Southworth & Hawes, Emerson School for Girls, Boston, Massachusetts, ca. 1850.

Source: Metropolitan Museum of Art, New York

Children watching as a bear cub rolls across the table. Photograph by Nat Farbman, April 1957.

Children watching as a bear cub rolls across the table. Photograph by Nat Farbman, April 1957.

Valentine’s Day at a local elementary school. Photograph by Robert W. Kelley. Monticello, Illinois, USA, February 1964.

Valentine’s Day at a local elementary school. Photograph by Robert W. Kelley. Monticello, Illinois, USA, February 1964.