noun
bottom-tier school; low-ranking school
Colloquial, often derogatory term for a school with the lowest academic reputation or entrance difficulty in a given area. Used in educational and social commentary.
彼は底辺校から努力して難関大学に合格した。
He worked hard from a bottom-tier school and got into a prestigious university.
あの地
In that area, there is a high school regarded as a bottom-tier school.