Students vary widely by age, educational background, work experience, and language proficiency.

I am a teacher by background, and it's a great place to send your children.

"They're more identifiable by culture and background," he said.

A builder by background, he is constructing a new home the old way.

By background, he was both a man of letters and well trained in arms.

By background he is a rancher's son whose career has traversed business and politics.

But he did know the names and duties of the six crew members who were Alphan by race or background.

We will not judge fellow Americans by appearance, ethnic background or religious faith.

By background I mean sort of like behind our backs.

By background and policies, he clearly belongs to the wrong left.