These images come from the Canadian Libraries and Archives, and are of Residential Schools in Saskatchewan.
These images come from the Bureau of Indian Affairs records at the U.S. Archives in Denver, Colorado. Most are unlabeled/uncategorized, but the vast majority of them are of the Albuquerque Indian School in New Mexico.
From an accession of U.S. Indian Health Service records, attributed to Mr. Allan Cayous. For more information, see this blog post from the U.S. Archives.