Annette Conan Doyle

I'm working on a new project ; actually I've been working on it for a long time and just picked it up again.

In reviewing some newspaper articles, I came across the first reference to 'CONAN DOYLE' in Australian newspapers, and it turns out to be the first reference to that name in British newspapers also.

The Ballarat Star (Vic)  Mon 28 Jun 1875
In the University of Edinburgh, Miss Flora Masson has passed the examinations for University certificates in Arts for women, with honors of the first class in English Literature; and Miss Annette Conan Doyle has passed the ordinary examinations in English Literature, Chemistry, and Mathematics.

It is remarkable that the first Conan Doyle mentioned in Australia’s papers - and in Ballarat no less!! - is not Arthur, but his sister Anne Mary Frances Conan Doyle (known as Annette, 1856-1890). The identical text was published in the UK a month prior in the Liverpool Express, and several Australian papers reprinted it. 

If Annette matriculated at Edinburgh University, then she was truly a pioneer. The first group of female students to matriculate (essentially, to enroll) at any British university were seven women at Edinburgh in 1869. Women weren’t allowed to receive degrees till 1894.

Annette went on to be a governess in Portugal where she died young. Arthur said of her "My noble sister Annette, who died just as the sunshine of better days came into our lives, went out at a very early age as a governess to Portugal and sent all her salary home."

I'm not sure how to rationalize this - Arthur was matriculating at Edinburgh at the exact time these results were published. Was there a reason Arthur did not mention his sister's academic ability? 

EDIT: Thanks to Charles Prepolec for pointing to Lycett's biography of Conan Doyle which recognizes Annette's time at Edinburgh University:

"In 1872 the university relented so far as to give a 'certificate in Arts' to any woman who attended the Association's classes and passed in three subjects. The following year Annette Doyle, an alumna of Newington Academy, was awarded a bursary of £30 by the {Edinburgh Ladies Educational Association} to study English literature, mathematics and chemistry in this manner. (She was known there as Annette Conan Doyle. Since she had not been baptised thus, it suggests that the childless Michael Conan had again sought recognition for his family name, possibly by making another financial contribution to the Doyle children's education.)"

Those questions remain - why didn't Doyle acknowledge such an amazing accomplishment for this sister?