I'll be going into my senior year of highschool soon. I don't have a laptop/tablet of my own yet and I'm curious when sounds like a reasonable time to purchase one for school focus. I expect to have essays to write for my senior year, I just don't know if having my own device is really necessary yet when I can access ones through my school and would like one to be long lasting, and not so out of date in 6 months that it'd be better to get a new one. Thoughts?