text: can i go to a university without a diploma of high school n usa i'm only 17+?   anyone can take classes at a community college without a high school diploma. only very smart students can be accepted to a university without a diploma through "early admission" (that is, if the university offers this option), and then the high school requirements are completed using the college classes.   since you are not proficient in writing english, you can check out your options at your local community college, where you will need to pass proficiency tests before taking college level classes. however, most community colleges also offer remedial classes, but those don't count for college credit.  p.s. some people confuse "early admission" with "early acceptance," but they are not the same thing.