Completion of secondary school is required. Mathematics, chemistry and physics subjects are often specified.

必需完成中学学业。数学，化学和物理往往是指定的学科。

youdao

While some subjects are required of everyone, some high school students, in addition, take vocational classes, and others study subjects that will prepare them for college.

尽管有些课程人人必修，但是有些高中生还另外上职业班，有些则选修为上大学而做准备的课程。

youdao

High school students are required to study many different subjects at the some time or they should study only three or four subjects at a time.

高中生应该被要求同时学习很多课程，还是一次学习三到四种课程。

youdao

Entrepreneurship should be a required course in every school around the world, alongside traditional subjects such as math, science and language.

FORBES: Six Challenges, One Solution