Have an Answer?
Short answer: Yes! There are a lot of motivated folks out there, military or civilian included. I just finished my Bachelor's while in the Navy. It's up to the individual whether they want to stay in the military and do school on the side (definitely possible, and they're getting a steady paycheck while doing so) OR if they want to get out and use their GI BIll to do school full-time (will probably finish degree faster this route, however, you're giving up a steady paycheck, health benefits, opportunities to further advance [ = higher salary], and Tuition Assistance, which would save you some GI Bill money)
In my short career I have personally worked with other service members who wished to go back to school after an overseas deployment. The motives among those people differed. Some of them felt that their path was not to be in combat and/or the military anymore and had gained a strong desire to pursue higher education while in theater.
Others actually wanted to go to school to be more competitive for promotion. They desired to go back to combat but maybe as an Officer or a Senior Non-Commissioned Officer. Many people who have served in combat get the desire to return to school, whether if it is while on active duty or as a civilian. I hope this information answered your question. Have a good day.