Find some tutorials related to using www.flickr.com at this site: http://plwp.wetpaint.com/page/Super+Technology+Saturdays . Some of the screen shots are a little out of date, but I think it will give you the idea of how to create an account and upload photos to that account.
I highly recommend you acquire and email address such as yahoo or gmail to use in your online travels. If you use your school email and you go to a different job you will no longer have access to that school email. You can fix that problem on sites, but it is just easier to acquire an email address that is more mobil than your school or job related email address.