I have decided to take the vet tech examination. In Georgia, there is a grandfather clause that says that if you have worked in the field for five years or more, you are eligible to take the test without attending school.>>

Go for girl. I wish Indiana had such a grandfather law, but alas we don't =(
It gives you some thing to fall back on as you say if it doesn't work out in vet school, or if you don't get in first time. We know it's harder than hell to get in!
Good luck!