I believe low GPA is a function of not performing higher on whatever standardized grading system your school was using.

我相信，平均绩点低证明你在学校标准化评分系统中的表现不佳。

youdao

It seems that women are either invisible in most school textbooks or, when they appear at all, they are seen performing low-status tasks.

似乎女性在学校的教科书里没出现，如果他们真的出现的话，她们也是在做低级的工作。

youdao

Often the lowest performing students were shuffled off to another low-performing school.

FORBES: Thoughts on ��The Death and Life of the Great American School System�� (Part One)

Give at-risk and low-performing students more money to bring with them to the public school of their choice.

FORBES: NCEE Report Focuses on Teachers as Professionals, New Pay Schemes

Charter schools routinely push out low-performing students, dumping them and their low test-scores back into the traditional public school system.

FORBES: A Modest Proposal: Fire the Students