I'm not sure which is correct. Feedback is appreciated.
It depends on context.

boys- plural of boy

boy's - possessive of one boy

boys' - possessive of more than one boy
Students: We have free audio pronunciation exercises.
which one is correct boys hostel, boy's hostel or boys' hostel?

boys' hostel

Bitcoin Social Trading Network

Join millions who have already discovered smarter strategies for investing in Bitcoin. Learn from experienced eToro traders or copy their positions automatically!

Boys hostel or boy''s hostel or boys'
Teachers: We supply a list of EFL job vacancies
Anonymous Boys hostel or boy''s hostel or boys'

What seems to be the problem? Are you unable to see Mister Micawber's answer to this question in the thread?