A British-Nigerian 10-year-old looks like a typical little girl when she dresses up as Elsa from "Frozen," but then you find out Esther is also a university student.

The talented girl from the UK's West Midlands area enrolled in a distance learning college and is already top of the class, having recently scored 100% in a math exam.

"I'm going to do my PhD in financial maths when I'm 13," Miss Okade told CNN. "I actually wanted to start when I was seven. But my mum was like, "you're too young, calm down."

(WATCH the video above and READ the full story from CNN via PIX-11) – Story tip from Kelly Harrington