The Complete Guide to 529 College Savings Plans

Start by comparing your state’s direct-sold 529 plan with a low-cost alternative. A state credit or deduction can make the home-state plan attractive; fees, investment choices, and the intended withdrawal also matter. Set the saving schedule around the student’s likely start date and the education costs you want to cover.

A 529 decision has three parts: which plan to use, how much to save, and which expenses the money will eventually pay. Check each separately. A low fee improves investment costs, while a state tax benefit or the eligibility of a planned withdrawal can have a larger effect on the household budget.

Understand the account and its tax treatment

IRS Topic 313 explains qualified tuition programs, including prepaid arrangements and education savings accounts. Federal income-tax deductions are not available for contributions. Earnings accumulate without current federal tax, and qualifying distributions can be excluded from income.

Check the state contribution benefit, federal withdrawal eligibility, and state withdrawal treatment separately. Then compare the product: an education savings account holds investments, while a prepaid program provides the tuition benefits described in its program disclosure.

The account owner and designated beneficiary have different roles. Before opening an account, identify who controls withdrawals and who will use the education funds. Record a successor arrangement where the plan provides one. That helps avoid treating an account as the student’s unrestricted cash when the owner retains control.

Which education costs can qualify?

The IRS education-tax publication explains the expense requirements. Use the following categories to organize receipts and check eligibility before making a withdrawal.

Use	Important federal condition
Postsecondary tuition, fees, books, supplies and equipment	Required for enrollment or attendance at an eligible institution
Postsecondary room and board	Student must be at least half-time; applicable school cost limits matter
Computer, related equipment and internet	Primarily used by the beneficiary while enrolled at an eligible postsecondary school
Registered apprenticeship	Qualifying required fees, books, supplies and equipment
Qualified student loans	Up to $10,000 lifetime for an individual, not an annual allowance

For room and board, the limit generally uses the greater of the school’s applicable cost-of-attendance allowance or actual charges for school-owned or operated housing. Obtain the allowance for the student’s living arrangement and compare it with the paid rent and meal expenses before withdrawing funds.

Ordinary travel and health-insurance costs should not be treated as qualified 529 college expenses merely because they appear in a household’s college budget. The account rules and the broader cost of attending college are different measures.

Expanded K–12 and credentialing uses

For 2026, IRS Topic 313 allows up to $20,000 per beneficiary per year for qualifying elementary and secondary school expenses. Add withdrawals from all 529 accounts for that beneficiary when applying the limit.

Washington’s official 529 expense guide describes eligible K–12 categories, including tuition and qualifying books, testing and tutoring. It also describes recognized postsecondary credentialing expenses, including required program materials, qualifying testing fees and required continuing education. “Credential” does not mean every online course or private certificate automatically qualifies; confirm that the program and expenditure meet the recognized-credential requirements.

State treatment can differ. The New York Direct Plan FAQ says K–12 tuition withdrawals are nonqualified under New York law and require recapture of accrued New York contribution tax benefits. It also identifies unresolved state treatment for expanded K–12 expenses. A federally permitted withdrawal therefore still needs a state-tax check.

Compare plan fees and state tax incentives

New York’s Direct Plan publishes a 0.11% total annual asset-based management fee, with no adviser fees, sales commissions, or annual account fee. At a constant $20,000 balance, that is $22 a year. Use this as a fee comparison point, then weigh your own state’s tax benefit and the portfolios you would actually use.

For a contrasting state incentive, Indiana’s official tax-credit page states that eligible Indiana529 contributors may receive a 20% state income-tax credit, up to $1,500 annually, or $750 for married filing separately. A hypothetical eligible $2,000 contribution would produce $400 at that rate, subject to the program’s rules. A credit reduces tax; a deduction instead reduces taxable income.

Compare available state benefits, contributor eligibility, total ongoing fees, investment choices, and withdrawal treatment. For an adviser-sold plan, ask for both the investment expenses and the separate cost and scope of advice. Indiana also says state treatment of certain expanded K–12 and credentialing expenses remains undetermined; check before using its tax benefit for those withdrawals.

Calculate a monthly saving target

Consider $100 deposited at the end of every month for 18 years. Contributions alone total $21,600. Assuming a constant hypothetical 5% annual nominal return compounded monthly, with no separate fees or taxes, the ending balance is approximately $34,920.

The calculation is 100 × ((1 + 0.05/12)^216 − 1) ÷ (0.05/12). Under that assumption, growth adds about $13,320. A flat-return scenario leaves $21,600, and investment losses could leave less than contributions. Use several return assumptions when choosing an affordable monthly amount.

Work backward from the portion of education costs you intend to fund. Include tuition, housing, fees, the number of years, and an inflation assumption; then subtract expected aid or other resources you can reasonably plan around. Update the target as the student’s school options and start date become clearer.

Contributions and the five-year gift election

The IRS gift-tax FAQ lists a $19,000 annual exclusion per recipient for 2026. Check gift-tax reporting separately from the 529 plan’s aggregate contribution limit, and include other gifts to the beneficiary in the annual total.

A special 529 election can spread an eligible contribution over five years for gift-tax purposes. With the $19,000 annual exclusion, that is $95,000 for one donor. Coordinate the election with other gifts during those years. The Form 709 instructions explain reporting, gift splitting, and the election; arrange the filing before making a large contribution.

Unused funds and Roth IRA rollovers

The IRS IRA publication describes direct transfers from an eligible 529 account to a Roth IRA for the same beneficiary. The lifetime rollover limit is $35,000. The account must have been open for more than 15 years, and recent contributions within the preceding five-year period, with their attributable earnings, are excluded from eligible rollover funds.

Vanguard’s 2026 operational guide also explains the annual IRA cap, reduction for other IRA contributions and earned-income requirement. For a beneficiary under 50, the 2026 annual cap is $7,500. If that person already contributed $2,000 to an IRA, the remaining annual room would be at most $5,500, assuming sufficient eligible compensation and all other requirements are met.

Plan a $35,000 rollover over multiple years, within each year’s eligible amount. Confirm the effect of beneficiary changes and state tax treatment before transferring funds. Other uses include future eligible education or changing to a qualifying family-member beneficiary; compare those options with the tax cost of a nonqualified withdrawal.

Keep a withdrawal record that supports the tax treatment

Washington’s plan instructs owners to match distributions with expenses in the same calendar year. Keep invoices, receipts, enrollment status, relevant housing allowances, and the distribution record together. Reconcile the withdrawal reported on Form 1099-Q with those records when preparing the return.

Coordinate expenses with scholarships and education credits. The same expense cannot support both a tax-free 529 distribution and an education credit. For example, if $4,000 of a hypothetical tuition bill is allocated to a credit calculation, do not simultaneously count that same $4,000 as the expense supporting a tax-free 529 withdrawal.

For a nonqualified distribution, federal income tax and the additional 10% tax generally concern the taxable earnings portion, not the return of contributions. Exceptions to the additional tax exist, including certain scholarship-related withdrawals, but an exception does not necessarily remove income tax. Preserve the calculation rather than assuming every withdrawal is either completely tax-free or completely penalized.