4 sentences

1. 他向母校赠送了一批图书。

   tā xiàng mǔ​xiào zèng​sòng le yī pī tú​shū.

   He donated a batch of books to his alma mater.

   Source: Dong Chinese Dictionary

2. 我打算下周回母校看看老师。

   wǒ dǎ​suàn xià zhōu huí mǔ​xiào kàn​kan lǎo​shī.

   I plan to go back to my alma mater next week to visit my teachers.

   Source: Dong Chinese Dictionary

3. 他随从校友会代表团访问了母校。

   tā suí​cóng xiào​yǒu​huì dài​biǎo​tuán fǎng​wèn le mǔ​xiào.

   He accompanied the alumni association delegation on a visit to his alma mater.

   Source: Dong Chinese Dictionary

4. 这位退休运动员回到母校教练学生。

   zhè wèi tuì​xiū yùn​dòng​yuán huí​dào mǔ​xiào jiào​liàn xué​sheng.

   The retired athlete returned to his alma mater to coach students.

   Source: Dong Chinese Dictionary