Yes, thanks! Finally figured it out. I adjusted the age of Dependent 2 to 19 and then the box regarding the full-time student appeared. Appreciate your reply to...

Both are under 20. Dependent 2 is 2 years younger than Dependent 1.

I am having the same issue for Dependent 2. The option to select "Full-time Student" does not appear but it does for Dependent 1. I deleted D2 and re-entered an...