This is the 163rd most frequent Japanese word.
高校
"高校" means "high school."
The term '高校' is combined with '生活' to represent life during high school, reflecting the experiences of the student.
私は高校生活を楽しんでいます。
I am enjoying my high school life.
In this sentence, '高校' serves as the origin point from which the speaker was returning, emphasizing the spatial relationship to the high school.
高校からの帰り道で友達に会いました。
I met a friend on my way home from high school.
The word '高校' is used here to specify the type of educational institution, indicating the teacher works at a high school.