Its really slick! I tried using it, but seem to be having the same issue :/
Bet a place like collegeconfidential.com would go bonkers over this tool :)
With only 13,000 training entries, I humbly think we built a better predictive model than anything else we could find. Certainly way better than Naviance. All the code and analysis is available on github if someone wants to make a business out of this.