At this point, don’t argue with your parents. Apply to a few financial safeties (SUNYs, Alabama, etc) and apply to a few schools that your parents want you do. The results will tell them what they don’t want to hear from you.
LOL…you could “play dumb” with UCLA and “miss” their November deadline. Ha ha.
And you could run the Net Price Calculators on Stanford’s and the others’ websites and print out the results.