Way to go Rachel!
One or two enthusiastic students is all it takes to start it growing. Our club was in the same situation when we started. Then a couple of guys signed up and have been enthusiastic and ongoing ever since. Other people show up get sucked in by the feeling and the energy created by the couple of people who are already there and the next thing you know you've got 15-20 people on the mat
I hope this all works out beyond your wildest expectations.
Bronson