Teacher's pet disapproving phrase derogatory
A teacher's favorite pupil, usually one who has obeyed to gain such favor.
Getting high grades is so easy. All you need to do is to become a teacher's pet.
If I were a teacher, I would treat every student the same. There will be no teacher's pet.
Someone who has won or is trying to win the favor with a powerful person, usually to get better treatment.
You may think that John is the teacher's pet, but there are understandable reasons why the employer favored him such that.
Being the teacher's pet has helped him reach the top of his career, but he has had no friends.
The term "teacher's pet" first appeared in print about 1890, however it's reasonable to presume it was an insult hurled around the schoolyard for many years before making its way into mainstream English.