Frances Benjamin Johnston was one of the earliest women photographers. She did a lot of photographs of schoolchildren, some of which are posted in this set. There's a large collection of her work online (in raw form) at the
Library of Congress.
2nd Division grade school pupils examining a mailbox
6 girls in art class, drawing at easels, Eastern High School, Washington, DC, 1899
Academie Julian, Paris, group of art students, 1885
African American children and teacher in classroom studying corn and cotton,
Annie Davis School, near Tuskegee, Alabama, 1902
African American schoolgirls with teacher, learning to cook on a wood stove in classroom, 1899
American Indian and African American students at Hampton Institute,
men and women in chemistry lab, 1899
American Indian and African American students at Hampton Institute,
women studying human respiratory system, 1899
Art Class
Class of the Sixth Division at the Library of Congress, 1899