My family's situation is quite strange; my mother grew up in a 3rd world country and then migrated to England later in their life.
^The only thing strange in this sentence is your usage of the word 'their' even though you are referring to your mother.
There is nothing strange about a mother having grown up in a 3rd world country and having then migrated to England. In fact, in England, it was quite common at one time. The results of massive immigration to the UK is very prominent, take Birmingham for example. I doubt that any one really considers this strange.
As a result of my family's hardships, their high expectations have indirectly guided me towards a more independent lifestyle; one where I was encouraged to follow my ambitions, while still maintaining academic excellence.
^What ambitions? What does 'where' refer to; 'where' refers to place, therefore i assume you mean 'in which'. Also, in that case there is no use for a semi-colon.
I do not quite understand the link you are making between your family's supposed hardships (you have not referred to any) and your independent lifestyle.
Unlike many people who are mostly influenced by persons of geographic proximity, I have been given the opportunity to see the problems, issues, and solutions that are affecting humans from all walks of life.
^Care to exemplify?
Your remaining sentences also lack coherence and contain grammatical errors, as well as undeveloped points.
I do not quite see you as coming off as unique. Neither does this essay.