I am about ready to go live with the portion of my site that allows students and parents and teachers to login. I am using the User Import module to import these users, but I have yet to find any module that allows an admin to delete large amounts of users at a time. For example: I picture needing to delete "Class of 2008" along with their parents at the end of the school year. The User menu allows you to filter off of role, permission, or status but not anything like group (og) or a hidden profile_value or something.
What solutions have you found that do this?
Do you have a script that you run?
Do you assign them to roles or groups that allow you to do this somehow?
I apologize if these questions have already been asked and answered, but I couldn't find anything. :)

Comments
Typically I do this from an
Typically I do this from an SQL side of things and run a querry against a hidden profile field. Not a super easy solution for non-SQL users but it works. I think there might be projects out there that give users a window of access to a site so that instead of deleteing them it'll just deactivate their account after a certain date which could be calculated based on the group you've given them. I'm pretty sure I saw it recently though I can't find it at the moment...
Ex Uno Plures
http://elmsln.org/
http://btopro.com/
http://drupal.psu.edu/
I have the same issue
hello,
I have the same issue,
I'm working on a project it should have the following feature,
authenticated users should have specific period, once this period finished the users should be blocked automatically.
please if you have any solution for that let me know.