By popular demand, here is the sequel to my other story (Trixie Discovers She Is A Genius).

Twilight and Spike send a letter to Celestia, telling her about how Trixie missed every question on her IQ test. Feeling bad for her, Celestia summons Trixie to Canterlot in order to personally speak with her. Trixie expects to be made fun of some more, but is surprised by what Celestia has to say.

I highly recommend you read the prequel first. It would make this story a lot easier to follow.