This is the 10004th most frequent Japanese word.
転入
"転入" means "transfer or move into (a new place, school, etc.)."
In this sentence, '転入' describes the action of moving into or transferring to a new institution or place, focusing on school enrollment.
彼は新しい学校に転入しました。
He transferred to a new school.
Here, '転入' refers to the process of registering one's move into a new residential area.
住民は転入手続きを完了した。
The resident completed the moving-in procedures.
The term '転入者' (derived from '転入') specifies individuals who have recently moved into a new area or community.