While I am no expert on anything. I will give my two cents. When i was in high school i started to grow plants starting with just a summer garden of my own. It is possible to grow a single plant of any kind while in school provided you are willing to make sure you have time to look after it. As far as fruiting trees go i agree that three months to go through a fruiting cycle is asking alot, but if you care for it throughout the year you'll be fine.
-smiley
