My fiance is going through the same thing right now, they sent him something awhile ago and he never responded, well kinda put it off then it was past the date, he called and they said not to worry about it. Then he recently got another one and he responded saying why he can't do it, so were keeping our fingers crossed that they dont want him. This thing said the trial can be 8-10 weeks!
I hope you don't have to go to jury duty, I couldn't imagine missing school, and not getting paid right now. Even though youre required by law, it really puts a setback on your life as a whole! I'm keeping my fingers crossed for you!