[MHGinTN]

The one snatched into the page, if I had to guess based upon the placement anomolies int he string of frames, would be the sixth from left to right in the third row, but that means the alphabetical location of the Dunham would be shuffled also.

[WildHighlander57]

Does the pic of SADO with pearls and sweater appear anywhere in that UofWA yearbook?
What does the pic metadata say?

[Fred Nerks]

The one snatched into the page, as you wrote, doesn't exist in the U of WA yearbook. There is only an image of her created to fit here:

Which is the image presented to show Stanley Ann Dunham in a graduation image related to Mercer Island.