You will be able to find OS 10.2 discs on ebay and craigslist. The clamshell will be a little sluggish. I had the white G3 iBook running a 500MHZ, it ran 10.2 but it was a little painful. For school she would be using mainly a word processor and email with some internets I assume, so she will be able to work with it, but if she plans on using the computer for anything more then that she may need to upgrade.