She is an excellent senior high school student.

她是一名优秀的高中生。

As a senior high school student, he studies very hard.

作为一名高中生，他非常努力学习。

A senior high school student has many classes every day.

高中生每天都要上很多课。

A senior high school student usually has a lot of homework.

高中生通常有很多作业。

The basic goal of the current senior high school curriculum reform is to make every senior high school student grow roundly with individuation.

新一轮普通高中课程改革的核心价值目标是“让每一位高中生获得全面而不乏个性的发展”。

As I am now a senior high school student, I have a great many friends, but there is one whom I prize over all the rest.

由于我现在是高中生，因此有许多朋友，但我最看重其中一位。