First of all, I want to tell you and your family that studying in the United States is not a matter of saving money. You should do your best.
You have got the job, so you can leave out some jobs.
Prepare a visa, in which the assets provided by the visa part are not only bank deposits, but also houses, cars, investments, companies, stocks, funds and so on. Investors studying abroad.
And then get the visa of f 1.
Let your father and you take your passport and visa, and offer to consult the loan center of China Bank in your superior city. I remember it belonged to the Bank of China.
Find a bigger one, usually it will be easier to get a loan, 300 thousand is not much.
If you have this business in China Bank Sub-branch in that county, you can do it.