Start with the right version and know your important date

The FAFSA you fill out is the Free process for Federal Student Aid, and it opens October 1 each year for the following academic year. You submit it through fafsa.gov, not through your school, not through a third-party site, and not through an email link someone sends you. The form itself is free.

Your important date depends on your state and your school. Federal aid has no single important date — the government processes forms year-round — but most states and schools set their own cutoffs, usually between February and June. Missing your school's important date can cost you thousands in aid that year, so call your school's financial aid office now and ask for the exact date they use. Write it down.

You will need to create a login at fafsa.gov before you start. Use an email address you check regularly, because the government will send you messages there about your process status. If you already have a Federal Student Aid account from a previous year, use that same login.

Key Takeaways

  • The FAFSA opens October 1 and you submit it at fafsa.gov only; your school's important date is usually months before the government's, so call and ask for the exact date.
  • You will need your Social Security number, date of birth, and driver's license or state ID, plus tax documents from the previous year — gather these before you start.
  • The most common mistake is entering income or tax information incorrectly; use your actual tax return or IRS transcript, not a guess or a pay stub.
  • If your parents' information changes between when you file and when you enroll, you must update the FAFSA; schools use the most recent version you submit.
  • After you submit, you will receive a Student Aid Report (SAR) showing what the government calculated; check it for errors and correct them when ready if you find any.

Gather your documents before you log in

The FAFSA asks for financial information from the prior tax year. If you are filling it out in October 2024 for the 2024–2025 school year, you will report 2023 income and taxes. Have these documents open before you start: your tax return (the actual form you filed), your parents' tax return if they support you, and your Social Security card or a document with your number on it.

You will also need a photo ID — a driver's license or state ID card works. If you do not have one, a passport is acceptable. Have your date of birth ready and your parents' dates of birth if they are answering questions about themselves.

If you filed taxes, use your actual return. Do not estimate. If you did not file taxes but had income, you will need to report that income anyway — the FAFSA asks whether you filed, and if you did not, it asks how much you earned. If your parents did not file taxes, the same rule applies: report what they actually earned, not what you think they earned.

Answer dependency questions accurately — they determine whose income counts

Early in the FAFSA, you will answer questions about whether you are a dependent or independent student. These questions are not about whether your parents claim you on their taxes or whether you live with them. They are about federal definitions, and they determine whose financial information the government uses to calculate your aid.

You are a dependent student if you are under 24, unmarried, have no children, are not a veteran, and do not meet a few other specific conditions. If you are 24 or older, or married, or a parent yourself, or a veteran, you are independent. If you are dependent, you must report your parents' income and assets. If you are independent, you report only your own.

This matters enormously: dependent students with high-income parents often receive less aid than independent students with the same income, because the government counts parental resources. If you are unsure whether you are dependent or independent, the FAFSA itself has a tool that walks you through the questions. Use it. Do not guess.

Enter income and tax data exactly as it appears on your return

This is where most errors happen. The FAFSA asks for your adjusted gross income (AGI), your income tax paid, and a few other specific line items from your tax return. Open your actual return and copy the numbers exactly. Do not round. Do not estimate. Do not use last year's numbers if this year's are different.

If you filed a 1040, your AGI is on line 11. If you filed a 1040-SR, it is on line 11 as well. If you filed a different form — a 1040-NR if you are not a U.S. citizen, or a 1040-NR-EZ if you had straightforward income — find the AGI line on that form. The FAFSA will ask you to report it, and it will also ask whether you can retrieve it directly from the IRS through the form's data-retrieval tool. If you can, use that tool — it pulls the number straight from IRS records and eliminates transcription errors.

The data-retrieval tool requires you to have filed your taxes already and to have a Social Security number. If you have not filed yet, you cannot use it. In that case, enter the numbers by hand from your return. If you filed but the tool says it cannot find your return, wait a few days and try again — the IRS updates its records in batches.

Report assets only if you are required to — and know what counts

The FAFSA asks about savings, investments, and real estate. Not all students have to answer these questions. If you are a dependent student, your parents answer them. If you are an independent student with no dependents of your own, you answer them. If you are an independent student with dependents, you answer them for yourself and your spouse (if you have one), but not for your children.

Assets include money in checking and savings accounts, stocks, bonds, mutual funds, and real estate you own (other than your primary home). A 529 plan or Coverdell account counts as an asset. A retirement account — a 401(k), IRA, or similar — does not. Your car does not. Your primary home does not.

Report the value as of the date you fill out the form. If you have $5,000 in a savings account on October 15, report $5,000. If you have $5,000 in stocks, report what those stocks are worth on that day, not what you paid for them. If you are unsure of a value, your bank or brokerage can tell you.

Review your Student Aid Report and correct errors within the important date

After you submit the FAFSA, the government processes it and sends you a Student Aid Report (SAR). This document shows what you reported and what the government calculated as your Expected Family Contribution (EFC) — the amount you are expected to pay toward college costs. Your school uses this number to determine how much aid to offer you.

The SAR arrives by email, usually within three to five business days. Open it and check every number. Look for typos in your name, date of birth, or Social Security number. Look for income amounts that do not match your tax return. Look for dependency status that is wrong. If you see an error, log back into fafsa.gov, correct it, and resubmit. You can update your FAFSA as many times as you need to before your school's important date.

Some errors are caught by the government's system automatically — if you enter an income that is wildly inconsistent with your age, for example, the form will flag it and ask you to confirm. Other errors slip through. A transposed digit in your Social Security number, a missing zero in your income, or a misreported asset value will not trigger a flag. You have to catch it yourself. Check your SAR carefully.

Update your FAFSA if your circumstances change before you enroll

If your parents' income changes significantly between when you file the FAFSA and when you start school — because one of them lost a job, for example, or had a major medical expense — you can file an updated FAFSA. Schools can also request an update if they suspect information is incorrect or if your circumstances have changed in a way that affects aid.

Do not wait for your school to ask. If something major has changed, contact your school's financial aid office and ask whether you should file an update. Provide documentation: a termination letter if there was a job loss, medical bills if there was an unexpected expense, or a new tax return if income changed. The school will tell you whether to update the FAFSA or whether to submit the information through a different process.

Schools use the most recent FAFSA you submit. If you file an update, it replaces your original. This can increase or decrease your aid, depending on what changed. That is why it matters: a change that looks small on paper can shift your aid package by thousands of dollars.

Frequently Asked Questions

What if I do not know my parents' Social Security number?

You cannot submit the FAFSA without it if you are a dependent student. Ask your parents directly. If they refuse or if you cannot reach them, contact your school's financial aid office — they may have a process for dependent students in this situation, though it is rare and usually requires documentation.

Can I use last year's tax return if I have not filed this year's yet?

No. The FAFSA always asks for the prior tax year. If you are filling it out in October 2024, you report 2023 income, not 2022. If you have not filed your 2023 taxes yet, file them first, then fill out the FAFSA. Do not estimate or use old numbers.

What happens if I make a mistake after I submit?

Log back into fafsa.gov, correct the error, and resubmit. The government will process the updated version. If you have already received an aid offer from your school, contact the financial aid office and let them know you have submitted a correction — they may need to recalculate your aid.

Do I have to report my parents' assets if they refuse to tell me what they are?

If you are a dependent student, yes — your parents must provide this information. If they refuse, you cannot complete the FAFSA accurately. Have a conversation with them about why the information is needed. If there is a serious family conflict, your school's financial aid office may be able to help you navigate it.

Can I change my dependency status after I submit?

You can update your FAFSA to correct a mistake, but you cannot change your dependency status just because you want to. Your status is determined by federal rules, not by preference. If you believe you were classified incorrectly, contact your school's financial aid office with documentation of why you meet the criteria for independent status.