FAFSA 2025-2026: Which divorced parent submits tax info when alternating dependent claims?
I'm confused about how to handle the 2025-2026 FAFSA for my daughter graduating high school next year. My ex-husband and I have been divorced for 8 years, and we have a legal agreement to alternate claiming our daughter as a dependent on taxes. In 2023, it was his turn to claim her (even though she lives with me 80% of the time and I cover most expenses). I've heard both parents need to provide some info, but I'm concerned about whose tax forms will be the primary ones for FAFSA since I'm the custodial parent but didn't claim her. My income is significantly lower ($42K vs his $78K), which would obviously benefit her aid calculation. Do I still submit as the custodial parent even though my ex claimed her on taxes? Anyone dealt with this alternating tax claim situation for FAFSA? Totally stressed about getting this right!
21 comments

Isla Fischer
The parent who provides MORE THAN 50% of the financial support AND who the student lived with the MOST during the year will submit the FAFSA! So that means YOU submit as the custodial parent regardless of who claimed your child on taxes. My ex and I do the same thing with alternating tax years for our kids. The tax dependency claim has NOTHING to do with FAFSA determination of which parent submits. Don't worry about that part at all. You'll need to provide your tax info as the custodial parent, and the non-custodial parent (your ex) won't be considered at all for the FAFSA calculation.
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Logan Chiang
AuthorThank you! That's such a relief to hear. So to be clear, even though my ex-husband claimed our daughter on the 2023 tax forms, since she lives with me most of the time, I'm the only one who submits my financial info? He doesn't need to submit anything at all?
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Miles Hammonds
wait thats not how it worked for us! when my parents were divorced the financial aid office made BOTH parents submit info. they said divorced parents can hide income by splitting assets. my dad's income counted even tho i lived w my mom. this was for the css profile tho, maybe fafsa is different?
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Ruby Blake
You're mixing up FAFSA and CSS Profile requirements, which is a common confusion. FAFSA only requires information from the custodial parent (the one the student lived with most during the 12 months before filing). CSS Profile, used by many private colleges, often requires financial information from both parents regardless of custody arrangements. They're completely different systems with different rules.
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Micah Franklin
My husband and I just went through this last year for my stepson! The FAFSA only cares about the custodial parent - which is determined by where your child lived most of the time in the past year. The tax claiming thing has zero impact, so the fact that your ex claimed your daughter doesn't matter at all for FAFSA. Your ex won't need to provide any info for the FAFSA (but might need to for CSS Profile if your daughter applies to private schools). Your income being lower is actually good news for aid purposes!
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Logan Chiang
AuthorThis is so helpful! We're mainly looking at state schools, so hopefully we won't need to deal with the CSS Profile. Did your stepson's biological parents have a formal custody agreement? We do, but I wasn't sure if FAFSA would want to see documentation of that.
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Micah Franklin
No, they didn't ask for our custody documents at all! They just take your word for it when you identify yourself as the custodial parent. Theoretically they could audit you later, but I've never heard of that happening for custody verification. Just make sure you have documentation showing your daughter lives with you most of the time (school records, medical forms, etc.) just in case.
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Ella Harper
I spent 3 hours on the phone with Federal Student Aid last month sorting out this EXACT situation. For the 2025-2026 FAFSA, here's what you need to know: 1. Only the custodial parent (where student lived MORE than 50% of time) provides information 2. Tax dependency has ZERO bearing on FAFSA 3. Your marital status as of the day you file FAFSA matters 4. You'll report YOUR household income only 5. If you've remarried, your current spouse's income must be included BTW, trying to reach FSA by phone is nearly impossible these days. I finally used Claimyr (claimyr.com) to get through after days of busy signals. They have a video showing how it works: https://youtu.be/TbC8dZQWYNQ. Made it so much easier to get answers directly from FSA.
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Logan Chiang
AuthorThank you for the detailed breakdown! I'm not remarried, so at least that part is simple. I'll check out that service if I need to call FSA. Did you have to provide any documentation to prove you were the custodial parent when you submitted the FAFSA?
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Ella Harper
No documentation needed when submitting - it's just a question on the form. However, if your student gets selected for verification later (random process that happens to about 30% of applicants), you might need to provide proof then. Good idea to have your custody agreement and calendar showing where your daughter slept each night ready just in case.
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PrinceJoe
theyre changing so many FAFSA rules now who knows what will happen for 2025/26? last year was a total disaster with the 'simplified' FAFSA lol. my cousins app took 4 months to process!
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Isla Fischer
The 2024-25 rollout was definitely a mess, but the custody rules for divorced parents haven't changed. The new SAI formula and contributor questions are different, but the basic determination of which divorced parent completes the FAFSA has remained consistent. For 2025-26, the system should be more stable since they'll have worked out the major technical issues from this year.
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Brooklyn Knight
I've managed FAFSA applications for hundreds of students from divorced families, and I can verify that your tax situation has no bearing on which parent completes the FAFSA. The only factor is where your child lived the majority of the year. However, one important note: you mentioned your child graduates in June 2025. The 2025-2026 FAFSA will be available October 1, 2024, and uses 2023 tax information. Make sure to complete it as soon as possible after October 1st, as some state aid is first-come, first-served. If your child is applying to any private institutions that require the CSS Profile, both parents' financial information will likely be required regardless of custody arrangements.
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Logan Chiang
AuthorThank you for the timeline clarification! I wasn't sure when the 2025-2026 application would open. So we'll be using our 2023 tax information even though that's the year my ex claimed her... that's actually perfect since my income was particularly low that year. Should I mention anywhere on the application that my ex claimed her on taxes that year, or is that completely irrelevant?
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Brooklyn Knight
It's completely irrelevant for FAFSA purposes. There's no place on the form to indicate tax dependency status because it has no bearing on financial aid calculations. The system only cares about where your child physically resided the majority of the time, not who claimed them for tax purposes. Just complete the form as the custodial parent using your 2023 tax information.
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Miles Hammonds
my parents did this too with switching who claimed us kids. dad made way more so mom always did our fafsa stuff. dad got mad cuz he thought he should get some benefit for paying child support but thats not how it works lol
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Logan Chiang
Thanks everyone for all the helpful information! I feel much clearer now. To summarize what I've learned: 1. As the custodial parent (where my daughter lives more than 50% of the time), I'm the only one who needs to submit financial info for FAFSA. 2. The fact that my ex claimed her on 2023 taxes is completely irrelevant for FAFSA purposes. 3. I'll need to submit my 2023 tax information when the application opens October 1, 2024. 4. I should have documentation ready just in case we get selected for verification. 5. If we apply to private schools requiring CSS Profile, that's a different system where both parents' info might be needed. This is such a relief! I was worried we'd have to use his higher income, which would have meant less aid. Thank you all again!
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Isla Fischer
You've got it exactly right! Just one more tip: save a PDF copy of your FAFSA confirmation page after submission. You'll want that reference number if you need to follow up on anything. Good luck to your daughter with her college applications!
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Mae Bennett
Great job summarizing everything! One small additional tip - when you're completing the FAFSA in October, make sure to apply for your FSA ID (studentaid.gov) a few days before you plan to submit if you don't already have one. Both you and your daughter will need separate FSA IDs to electronically sign the application. The verification process can take a few days, and you don't want that to delay your submission. Also, keep your 2023 tax return handy since you'll need specific line items from it. The whole process should be much smoother than last year's rollout disaster!
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Keisha Williams
Just wanted to add one more resource that might be helpful - the Federal Student Aid website has a really useful tool called the "FAFSA Parent Information" guide that specifically addresses divorced parent situations. It walks through scenarios exactly like yours with flowcharts to help determine which parent should complete the FAFSA. Since you mentioned being stressed about getting this right, having that official documentation might give you extra peace of mind! You can find it at studentaid.gov under the "Complete the FAFSA" section. Also, many high school guidance counselors are trained on these situations and can review your specific circumstances if you want a second opinion before submitting.
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Giovanni Gallo
Thank you so much for pointing me to that resource! I'll definitely check out the "FAFSA Parent Information" guide on studentaid.gov. Having official documentation with flowcharts sounds perfect - I'm definitely the type of person who feels better when I can see it laid out step by step from the source. I might also reach out to our high school guidance counselor closer to October just to double-check everything before we submit. It's reassuring to know there are multiple places to get confirmation that we're doing this correctly. Really appreciate you taking the time to share that additional resource!
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