“今天咱们班的小朋友们表现的都非常的好”用英语怎么说?

Well done!

All the kids in our class performed well today.

all the boys and girls are doing well today
应该这么说，你和小朋友说不能用KIDS吧？

Teday kids of our class did excellent.

Today, all kids in our class did an excellent job!

Today we the kids of class expressed of all very good

Well done! Everybody! Perfect!