John does poorly in school because he's so lazy.

约翰很懒，因此在校功课不佳。

They're doing poorly in math because they're anxious about it.

他们的数学成绩很差，因为他们对此感到焦虑。

Higher risk of suspension and expulsion also puts minority students at a higher risk of doing poorly in school and contributes to higher dropout rates.

更高的停学和开除风险也使少数民族学生在学校表现不佳的风险更高，并导致更高的辍学率。