Upgrading your account? Will past photos get deleted when you upgrade?

Hi there, I need help changing my account. I became a teacher and wanted to get the student teacher plan, but was wondering when I change my plan, will be Lightroom storage / photos on my Lightroom currently be gone / deleted? Becuase I. will have to cancel my current plan then switch. I didnt know if cancelling also delted all my photos in my cloud on lightroom?