Wilde went from Portora Royal School to Trinity by using the Royal School Scholarship. He won other awards and scholarships for his outstanding academic achievments. One of his awards was the Berkely Gold Medalthat he later pawned off multiple times. 

There he met John Ruskin and Walter Pater. They influenced his eduction with Ruskin's moral medievalism views and Pater's Renaissance beuty views.

https://worldhistoryproject.org/1871/oscar-wilde-attends-trinity-college...

https://victorianweb.org/authors/wilde/wildebio.html#2