I am a junior school student.

我是一名初中生。

youdao

youdao

This maths problem is too much for a junior school student.

这道数学题对一个初中生来说太难了。

youdao

Insoo Kim, 14, is a typical junior high school student in Seoul.

CNN: A day in the (digital) life of a South Korean boy

The single most crucial year is the one that begins on Jan. 1 of a student's junior year in high school.

WSJ: The College-Aid Shuffle

They range in age from early 20s to 70s and include a Wal-Mart worker, a high school teacher, a retired school bus driver and a student in his junior year at Penn State who has ties to the football team and knows some witnesses in the case.

CNN: 12 jurors, 4 alternates seated in Sandusky trial