Meanings of working boys in English

What would be your opinion of a free night-school for working boys?

No man, not even the working boys, can come into the queen's rooms.

You think it proper to circulate slanders about working boys in your camp?

I shall not invite any working boys.

Me and a bunch of working boys get an apartment east of Vine a few blocks off Hollywood Boulevard.

For the working boys and young men, there is a night session, wherein is given a theoretical and practical knowledge of the automobile.

There are working boys' institutes here and there, but these things taken together are almost powerless with the great mass which remains unaffected.

Working boys don't carry I.D.'s.