Graduate School, Grad School
noun
Remember how you learned that 大学 means "college?" Well the institution you go to after college is graduate school!
だいがくいん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
大学院を出て、すぐに入社しました。
I left graduate school and immediately got a job.
私の友人は大学院で文学を学んでいます。
My friend is studying literature in grad school.
大学院に進むか、バイトリーダーとして生きていくか、助言をいただけませんか？
Would you please give me advice on whether to go on to graduate school or try and make a living as a leader for part-timers?