To be very happy.
To be over the moon
Work through the night without going to bed
Pull (a few) all-nighters
To learn something in such a way that you can say it from memory
Learn by heart
Old-fashioned; not modern; traditional
Old school
Someone who spends a great deal of time reading
Bookworm
A person who imitates or adopts another person's ideas, style, work or behavior.
Copycat
To be very noticeable or to be much better than other similar things or people
Stand out
Teacher's favourite student
Teacher's pet
Going above and beyond whatever is required for the task at hand. / Try harder in order to achieve something.
Go the extra mile
