Then my parents knew I would live, and they were very happy.

Of course, parents can't know everything their children are doing or be with them at all times.

Often, parents didn't know how the American school system works, so they were little help to their children at home.

My parents didn't go to college or know how to drive.

What do parents know about education beyond their own school experience?

Parents in this situation know they have got a problem on their hands.

At that point, however, their parents did not know where they were.

They let your parents know if you are not working up to ability.

How do parents know if a child might make it?

Even now, his parents and sister don't quite know what to make of him.