年级

In a sentence

• 我的弟弟今年上六年级。

  My younger brother is in sixth grade this year.

  Here, "六年级" refers to the specific grade level a student is currently studying in school.

• 这个数学题对二年级的学生来说可能有点难。

  This math problem might be a bit difficult for second-grade students.

  In this sentence, "二年级" denotes the approximate academic tier related to comprehension abilities.

• 她是三年级的班长，因此需要参与学校的组织活动。

  She is the class president of the third grade, so she needs to participate in school organizing activities.

  The term "三年级" relates to the group or level of students she represents as class president.