The free way is of course with books (http://teachyourselfcs.com http://teachyourselfcs.com is a good guide), but if you're looking for a school you could do so

The free way is of course with books (http://teachyourselfcs.com http://teachyourselfcs.com is a good guide), but if you're looking for a school you could do something like bradfield or something like https://lambdaschool.com/computer-science https://lambdaschool.com/computer-science (disclosure - I'm a cofounder of Lambda School). As far as demonstrating it to employers, that comes down to the interviewing process, which is in and of itself pretty broken, but they'll probably just ask you a lot of contrived questions about that stuff.