There are options that are mediocre/bad at gaming, but not impossible to game on so long as you're willing to forego that 1080p screen. If you want it for basic school work, maybe a desktop would do? You can find an old Core 2 Desktop, drop a $100 graphics card in it, and it will do everything you need quite well.
If it must be a laptop, your best hope is craigslist to find a 4-year-old light gaming laptop. What city are you in?