Share 'Best Filing Structure Practices??? Organizing Digital Files???'

Hey Folks!!! I recently began a new semester at school and I was reorganizing my projects and all their assets in folders. I was wondering is there an industry standard in the US, Canada or Europe that graphic design firms try to adhere to when organizing their files? Do you have any filing structures that have worked nicely for you? Do you have any advice or tips for getting it all together? Do…