A male student: a student who is male, at school or university.
教室には男子学生が三人しかいなかった。
There were only three male students in the classroom.
その奨学金は男子学生も応募できる。
Male students can also apply for that scholarship.
大学の男子学生サッカー部に入った。
He joined the university's male-student soccer club.