Read the excerpt from "At School." Most immigrant families tried to keep their children in school until the age of fourteen, when a youngster could obtain full-time working papers. But that was not always possible. During hard times, kids had to drop out of school early. In the days before World War I, it was an accomplishment to finish grammar school.

Based on this excerpt, what can the reader infer about immigrant children in the early 1900s?

a:They had a great deal of responsibility and helped support their families.
b:They were the only members of their family able to obtain employment.
c:They were not interested in higher education beyond grammar school.
d:They sometimes left school to help America’s war effort.