In the lower right you can see the dates that they sent copies of the transcript to U Hawaii in the 70s. She was divorced from Obama by that point, so maybe they updated their records to reflect the name change (but then, why no Soetoro?). Or maybe that’s just how the registrar decided to write her name in the letter he sent to the person who made the FOIOA request.
Regarding extension & correspondence, you’ll see the courses listed there are “X” not “C” courses, i.e. extension not correspondence. That implies she had some level of interaction on campus to take those courses and they weren’t entirely done via the mail.
FOR THE RECORD:
http://depts.washington.edu/civilr/segregated.htm
For most of its history Seattle was a segregated city, as committed to white supremacy as any location in America. People of color were excluded from most jobs, most neighborhoods and schools, and many stores, restaurants, hotels, and other commercial establishments, even hospitals. As in other western states, the system of severe racial discrimination in Seattle targeted not just African Americans but also Native Americans, Asian Americans, Pacific Islanders, people of Mexican ancestry, and also, at times, Jews.
This special section presents research that will surprise many Pacific Northwesterners. Included are maps, photos, documents, and newspaper articles that follow the history of segregation in Seattle up through the 1960s. We also have the most extensive database of racially restrictive neighborhood covenants and deed clauses available for any city in the country...