Engaged: how do I fill out FAFSA

As others have stated, you will file based on your status the day you file the fafsa/. For the school year 2017-18, the FAFSA opens on October 1, you will be approximately 1 month into senior year so you will file unmarried and the income/assets of your custodial parents will be used. If you are talking about USC in California, you will also need to file the CSS profile for institutional aid. This will also be available in October.

While in subsequent years, you may be independent for federal aid, you will never be independent for institutional aid ad USC (california) as they state the following:

From a financial aid standpoint, you may be better served a single person, especially since you have a low income parent (who will have more income protection than you and your intended spouse). In addition any monies paid on the behalf of you and your husband by your mom or in-laws would have to be included in your financial aid.

Unless there is is another reason for you to marry that does not involve financial aid, I would suggest waiting until you finish college.

You would be better served remaining single to a wide array of schools where you could get merit money and schools with really generous financial aid /no loan policies based on just you mom’s income.You should also look into Questbridge