What is the translation of " GRADES " in English?

• grades

Examples of using Grades in Chinese and their translations into English

Getbettergrades取得更好的成绩.
Earned better grades.

鼓励努力的行为而不是grades.
Encourage the act of effort rather then grades.

Grades4&5:这两种面试都只有父母。
Grades 4& 5: All interviews are for both parents only.

当用户第一次打开Grades2，他们就知道怎么使用它，因为它就只有一个按钮。
When users open Grades 2 for the first time, they know what to do because there is only one button.

或GradesK-2的得奖人可以跳级参加Grades3-5的比赛等等。
Or the Grades K-2 winners may take the challenge to participate in the Grades 3-5 contest and so on.

圣乔治中学由Years7�C13(USgrades6�C12)组成，面向11-18岁的学生。
St. George's Senior School is composed of Years 7- 13(U.S. Grades 6- 12) catering for students ages 11-18.

由MPEG成功地实施的“档次/等级”(profile/level)哲学可以提供一个解答,在一个简单的工具内,人们可以定义不同的“级别”(grades),在MPEG中称为“等级”。
The“profile/level” philosophy successfully implemented by MPEG provides a solution: within a single tool one may define different“grades”, called“levels”.