Her secondary school is an extremely mediocre one. I had a classmate who, after not obtaining good results in her "O" Levels exam (yes, it was a long time ago) and failing to return to our own school (one of Hong Kong's top schools) to do her "A" Levels, was accepted by Carrie Lam's school. There, she became the top student. You can see how mediocre her secondary school is. Only a very small-minded person would flaunt such laughable "achievement" throughout her entire life, even when she's in her mid-60s.
As a past alumnus myself of HKU (1970), I would venture to chip in to say something about Carrie Lam. It is useful to check for some anecdotes to reflect such person's true character. In the case of 777, it has been reported during her speech to open the Caritas Bazaar in 2015, she had cited the eight Beatitudes in the Bible, saying "Some said that the eighth blessing applies very well to me - it says, 'blessed are those who are persecuted for righteousness' sake: for theirs is the kingdom of heaven' - THERE IS ALREADY A PLACE RESERVED FOR ME IN HEAVEN." Other than the fact that the eight Beatitudes have been entirely misinterpreted, it has shown she is a self-conceited person living in her own ego, possibly prompted initially by her own inferiority complex. Power does corrupt one's character and very few would know to "retreat" in timely fashion.
She is suffering from Inferiority Complex. Her mother obviously was not every educated. She must have worked very hard to provide Carrie. When she died nobody was aware her passing. What would you call a person who has very a narrow range of emotion. Research that.