Idioms in English

A bookworm

A copycat

To learn the hard way

A swot
To learn by rote

A teacher's pet

To think outside the square/ box

Crib notes
To play hooky / to cut class / to skip class
To pull an all-nighter
To put on one's thinking cap

A nerd

To pass with flying colours
.

To hit the books
To crack a book

An eager beaver

To tell tales out of school