College Savings for Kids: 529, Roth IRA, and What Actually Matters

The question arrives in different forms at different stages. A new parent gets asked by a grandparent: “Should we start a college fund?” A family with a 10-year-old looks at tuition projections and feels a familiar low-grade panic. A parent of a high schooler realizes they’ve been meaning to start for years. In each case, the core question is the same: what’s the actual best way to save for college, and what are the real tradeoffs between the options?

College savings for kids is an area where the noise-to-signal ratio is exceptionally high. Financial services companies have obvious incentives to promote their products. State-specific marketing pushes 529 plans without mentioning their limitations. Tax law changes (including significant ones from the SECURE 2.0 Act of 2022) changed the calculus in ways that most older guides don’t reflect. This article is not investment advice. It’s an informational overview of what the main savings vehicles are, how they differ, and what the research and policy literature say about how each interacts with financial aid.

Key Takeaways

• For most families, a 529 plan offers the best combination of tax advantages, flexibility, and FAFSA treatment for college savings — but SECURE 2.0 made it more flexible than it was before.
• Roth IRAs can function as a college savings backup, especially for families uncertain whether their child will attend college, but using them for education has retirement tradeoffs that deserve honest accounting.
• Coverdell Education Savings Accounts (ESAs) have income limits that exclude many families and contribution limits that make them a supplement rather than a primary vehicle.
• UTMA/UGMA custodial accounts have no education restrictions but carry significant financial aid penalties and irrevocability that make them less attractive than commonly thought.
• FAFSA treatment differs meaningfully by account type — a fact that should weigh in your decision if you’re in an income range where need-based aid is plausible.
• Starting earlier matters more than optimizing vehicle choice. A dollar saved at age 5 has more than a decade of potential growth before it’s needed; paralysis over which account to open is itself a cost.

Why College Savings Is More Complicated Than It Looks

College tuition has risen at roughly double the general inflation rate for most of the past three decades. According to the College Board’s Trends in College Pricing and Student Aid (2023), the average published tuition and fees for four-year public in-state institutions was $11,260 in 2023–24, and for private nonprofit four-year institutions it was $41,540. With room, board, and other costs, the total cost of attendance at a public university now averages around $28,000 per year; at a private university, around $60,000.

A child born today who starts college in 18 years will face costs that are, by most projections, meaningfully higher than today’s figures. The Vanguard Group’s college cost projector, using a 4% annual tuition inflation rate, estimates a four-year private university education for today’s newborn could cost around $340,000 total by 2042. Four-year public in-state: roughly $140,000.

These numbers are useful context. They explain why the question of which account to open matters — the differences in tax treatment and compounding add up over 15–18 years. But they shouldn’t paralyze families from starting. Scholarships, financial aid, in-state tuition, community college transfers, and employer education benefits all interact with whatever savings exist. The goal isn’t to fund 100% of tuition from one account. It’s to save what you can, in the most tax-efficient vehicle available to you, as early as possible.

What the Research Actually Says

The research on college savings falls into two connected streams: the economic literature on savings vehicles and tax law, and the higher education policy research on financial aid and student outcomes.

On the savings vehicle side, the most rigorous independent analysis comes from academic and government sources rather than financial services companies. The Congressional Budget Office’s analysis of Section 529 plans (2023) documents that the tax-free growth feature of 529 plans produces, on average, meaningfully higher net savings than equivalent taxable accounts — the advantage being larger for higher-income families in higher marginal tax brackets, since the tax exclusion is worth more at higher rates. For families in the 22–24% marginal tax bracket (roughly $44,000–$100,000 taxable income for married filing jointly in 2024), the CBO analysis suggests the compounded tax advantage over 15 years is substantial: on a $200/month contribution, the difference between a 529 and a taxable brokerage account can exceed $15,000 in net value over 15 years, depending on returns.

The SECURE 2.0 Act of 2022 introduced two significant changes to 529 plans that prior research didn’t account for. First, starting in 2024, unused 529 funds can be rolled over into a Roth IRA for the beneficiary — up to $35,000 lifetime, subject to annual Roth IRA contribution limits and a 15-year account holding requirement. This change directly addressed the primary objection to 529 plans: “What if my kid doesn’t go to college?” The answer is now: “Unused funds can seed their Roth IRA.” Second, qualified expenses were expanded in prior legislation to include K–12 tuition (up to $10,000/year) and apprenticeship programs, making 529 plans useful even for families who eventually choose paths other than four-year college.

On the financial aid side, the National Association of Student Financial Aid Administrators (NASFAA) publishes analysis of how different assets are treated under FAFSA (Free Application for Federal Student Aid). The key metric is the Expected Family Contribution (now called the Student Aid Index, or SAI, after 2023 FAFSA changes). Parent-owned assets — including parent-owned 529 plans — are assessed at a maximum rate of 5.64% in the SAI calculation. Student-owned assets are assessed at 20%. This distinction matters enormously: a $50,000 UTMA account owned by the student is treated as a $10,000 contribution toward college costs in financial aid calculations, while a $50,000 529 owned by the parent is treated as a $2,820 contribution. That’s a $7,180 difference in financial aid impact from a single structural decision.

Roth IRA assets held by parents are not reported on FAFSA at all for most purposes — but distributions from Roth IRAs to pay college expenses are reported as parent income in the subsequent year’s FAFSA, which can reduce aid eligibility. This timing effect means using a Roth IRA for college is more complicated than it looks. Research by Mark Kantrowitz (who has published extensively on student financial aid) documents that families who draw down retirement accounts to pay for college often underestimate the aid eligibility cost of doing so.

A 2019 study by Dynarski and Scott-Clayton, published in the Journal of Economic Perspectives, examined the complexity of the financial aid system and found that complexity itself — the number of forms, calculations, and decision points — meaningfully reduces aid uptake among lower-income families. This connects to college savings: families who don’t understand how different accounts affect their aid eligibility make suboptimal choices not because the choices are inherently bad, but because the information environment is poor.

College Savings Vehicle Comparison

Feature	529 Plan	Roth IRA	Coverdell ESA	UTMA/UGMA	Taxable Brokerage
Annual contribution limit	No federal limit (gift tax rules apply over $18K/yr)	$7,000/yr (2024, adults); indirect contributions via parents	$2,000/yr per beneficiary	No limit	No limit
Tax-free growth	Yes, if used for qualified education expenses	Yes, if withdrawn after 59½ or for qualified first-time home purchase	Yes, if used for qualified education expenses	No — capital gains taxed	No — capital gains taxed
Tax deduction (state)	Many states offer deduction for contributions	No	No	No	No
FAFSA treatment	Parent-owned: 5.64% assessment rate; student-owned: 20%	Retirement assets not counted, but distributions reported as income	Same as 529	Student-owned: 20% assessment rate	Parent-owned: 5.64%
Income limits	None	Phases out $146K–$161K (single), $230K–$240K (MFJ) in 2024	Phases out $95K–$110K (single), $190K–$220K (MFJ)	None	None
Flexibility if child doesn’t attend college	Can roll over up to $35K to Roth IRA (SECURE 2.0); can change beneficiary	Full flexibility — it’s a retirement account	Unused funds taxed + 10% penalty unless rolled to another 529 or ESA	Irrevocable — becomes child’s asset at age 18–21	Full flexibility
K–12 use	Up to $10,000/yr for tuition	No	Yes, broad K–12 qualified expenses	Yes (no education restriction)	Yes (no restriction)

What to Actually Do

Start With the 529 if You’re Undecided

For families who are uncertain where to start, the 529 plan is the appropriate default for a simple reason: it has the best combination of tax advantages, FAFSA treatment, and post-SECURE 2.0 flexibility. The rollover-to-Roth provision eliminates the old “what if they don’t go?” objection for most families. If your child gets a full scholarship, doesn’t go to college, or finds another path, unused 529 funds can become the seed of their Roth IRA retirement account. That’s not a penalty — it’s an inheritance.

Pick a State Plan Based on Your Actual State Deduction

Not all 529 plans are equal. Many states offer income tax deductions for contributions to their home-state plan. New York, for example, allows a deduction of up to $5,000 (single) or $10,000 (married filing jointly) per year for contributions to NY’s 529 plan. That immediate state tax deduction can be worth hundreds of dollars annually. If your state offers this deduction, use your home-state plan — the deduction often outweighs any investment advantage from a plan in another state. If your state offers no deduction (like California or New Jersey for out-of-state plans), you’re free to choose any plan based on investment options and fees. Utah’s my529 and Nevada’s Vanguard 529 consistently rate highly in independent analysis for low fees and investment quality.

Consider a Roth IRA as a Complement, Not a Replacement

Roth IRAs are most useful as a college savings vehicle in two scenarios: (1) you’re genuinely uncertain whether your child will attend college, and you want to preserve the option to use the funds for retirement if they don’t; or (2) you’re already maximizing your 529 contributions and want additional tax-advantaged saving with flexibility. The critical caveat: if you use Roth IRA funds for college, document the timing carefully. Distributions taken before age 59½ from a Roth IRA are reported as parent income on the following year’s FAFSA, which can reduce need-based aid. In years where financial aid is sensitive, timing distributions requires planning.

Understand Why UTMA Accounts Are Less Attractive Than They Sound

Custodial accounts (UTMA/UGMA) have a certain appeal: they’re simple, there are no contribution limits, and the money can be used for anything. But two features make them less attractive for college savings specifically. First, they become the child’s legal property at age 18 (in most states) or 21 — meaning a child who decides not to use the money for college can spend it however they choose, and you have no legal recourse. Second, the FAFSA treatment is punitive: student-owned assets are assessed at 20%, meaning a $30,000 UTMA account reduces financial aid eligibility by $6,000. A parent-owned 529 with the same $30,000 reduces it by $1,692. That $4,308 difference in aid impact should factor into any decision to use a UTMA.

Think About Coverdell ESAs Only in Specific Circumstances

Coverdell Education Savings Accounts have one genuine advantage over 529 plans: broader qualified expense coverage for K–12, including homeschooling materials, tutoring, and some extracurricular expenses. If you’re homeschooling your child and want a tax-advantaged vehicle to cover those costs, a Coverdell ESA is worth considering. But the $2,000/year contribution limit makes it a supplement, not a primary savings vehicle, and the income limits exclude higher-earning families entirely.

Don’t Let “Optimal” Get in the Way of “Started”

The most consistent finding in personal finance research is that the behavior gap — the difference between what people know they should do and what they actually do — is larger for retirement and college savings than almost any other financial behavior. Every month of delay in starting a college savings account is a month of potential compound growth lost. A family that opens a 529 plan today with $50/month will accumulate meaningfully more by college start than a family that researches the perfect plan for two years and then opens one. Start with any reputable 529 plan, automate contributions, and refine later.

What to Watch for Over the Next 3 Months

Week 4: Have you identified your home state’s 529 plan and whether it offers a state income tax deduction? This single piece of research takes about 20 minutes and determines whether you should use your home-state plan or shop for a lower-fee option.

Month 2: Have you set up an automatic monthly contribution — even a small one? Automation is the most documented predictor of consistent saving behavior. The amount matters less than the habit.

Month 3: If your child is within five years of college age, review how your existing savings are allocated within your 529. Plans with age-based portfolios automatically shift from equity-heavy to bond-heavy as the child approaches college age; if you’re managing allocations manually, 18-year-olds should be in conservative allocations, not growth-heavy ones.

Frequently Asked Questions

What’s the best college savings account for kids?

For most families, a 529 plan is the most tax-efficient vehicle for dedicated college savings. It offers tax-free growth for qualified education expenses, many states offer deductions for contributions, and SECURE 2.0 now allows up to $35,000 in unused funds to roll into a Roth IRA for the beneficiary. The “best” specific plan depends on your state and whether it offers income tax deductions.

Can I use a Roth IRA to save for my child’s college?

Yes, with caveats. Roth IRA contributions (not earnings) can be withdrawn penalty-free for any reason, including college expenses. Earnings withdrawn before age 59½ for education are penalty-exempt but may be taxable. More importantly, Roth IRA distributions are reported as income on the following year’s FAFSA, potentially reducing need-based aid. Roth IRAs work best as a college savings backup for families uncertain their child will attend college.

Does a 529 plan hurt financial aid?

A parent-owned 529 plan is assessed at a maximum rate of 5.64% in the FAFSA Student Aid Index calculation. That’s much lower than the 20% rate applied to student-owned assets like UTMA accounts. For most families in the range where need-based aid is relevant, a parent-owned 529 has a relatively small impact on aid eligibility.

What changed with SECURE 2.0 and 529 plans?

Starting in 2024, SECURE 2.0 allows up to $35,000 in unused 529 funds to be rolled over into a Roth IRA for the account beneficiary, subject to annual Roth IRA contribution limits and a 15-year holding requirement for the 529 account. This substantially reduces the risk of “trapping” money in a 529 if a child doesn’t attend college.

How much should I save for college each month?

There’s no universal answer, since it depends on your child’s age, target school type, and other financial priorities. College savings calculators from Vanguard, Fidelity, and Saving for College (savingforcollege.com) can estimate a monthly contribution to reach a target. A rough starting point: $200–$300/month from birth, invested in an age-based portfolio in a low-fee 529, covers a significant fraction of public in-state tuition costs by college age under historical return assumptions.

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About the author

Ricky Flores is the founder of HiWave Makers and an electrical engineer with 15+ years of experience building consumer technology at Apple, Samsung, and Texas Instruments. He writes about how kids learn to build, think, and create in a tech-saturated world. Read more at hiwavemakers.com.

Sources

1. College Board. (2023). Trends in College Pricing and Student Aid 2023. College Board. https://research.collegeboard.org/trends/college-pricing

2. Congressional Budget Office. (2023). Tax Benefits for Education: Preliminary Analysis. CBO. https://www.cbo.gov/topics/education-and-training

3. Dynarski, S., & Scott-Clayton, J. (2019). Financial aid research and policy: Lessons from two decades of work. Journal of Economic Perspectives, 33(4), 196–214. https://doi.org/10.1257/jep.33.4.196

4. National Association of Student Financial Aid Administrators. (2024). FAFSA Simplification and the Student Aid Index: What You Need to Know. NASFAA. https://www.nasfaa.org/fafsa_simplification

5. Internal Revenue Service. (2024). Publication 970: Tax Benefits for Education. IRS. https://www.irs.gov/publications/p970

6. Saving for College. (2024). 529 Plan Database and State Rankings. Savingforcollege.com. https://www.savingforcollege.com/529-plans/

7. SECURE 2.0 Act of 2022, Pub. L. No. 117-328, §§ 126, 127 (2022). https://www.congress.gov/bill/117th-congress/house-bill/2954