How do you say "learning" in English?

Other related notes:

& lt library & gt& lt classroom & gt& lt study room & gt& lt sanctuary & gt& ltden & gt

Examples and usage:

1. The telephone is in the small study on the first floor.

The telephone is in the small study on the first floor.

He went to the study after lunch.

After lunch, he returned to his study.

The study is a quiet corner in a noisy home.

The study is an oasis of tranquility in a noisy family.

Don't let that dog into my study!

Don't let that dog into my study!

This room can be used as a study.

This room can be used as a study.

He likes reading documents without interference.

He likes reading documents alone in his study.

7. She shut herself in the study and buried herself in research.

She shut herself in the study and worked.