Initial impressions:
Create alt tags fro the banner/other images.
Add more quality original unique content.
Lose the double ads on the home page.
Create a robots.txt file. Upload it.
It can be as simple as:
User-agent: *
Disallow: /cgi-bin/
You did submit them to the search engines? And authenticated them?
Be patient. it takes item to get indexed. 1 month is very short
Yahoo/Altavista/etc is typically the first of the big three you'll get into, msn/live/bing/whatever is next, google is last.
Your site states it is "created by students for students" - Have some of those students link to your site. This can be the single best way to get ranked of all.