Most of this wiki has information that may be of more use to officers, but here are pages that may be of use to club members.
Related to the class:
Here is a link to the article on the public Tech Squares web site
Typical schedule for a class night
Hack Tip History; Big List Of Hack Tips
The handouts and definitions, from the public Tech Squares web site
Other:
The various mailing lists associated with the club