529 Plans: The College Savings Account Most People Ignore

Ask a room full of parents how they're saving for college and you'll hear a lot of "we'll figure it out later." That's an expensive plan. College costs rise faster than normal inflation, and "later" usually means student loans at 6% interest or higher. A 529 plan is the tool built specifically for this problem, and most families either haven't heard of it or assume it's complicated. It's not. It's a savings account with a tax break, and the math gets better the earlier you start.

Here's how it works. You put money into a 529 plan, it grows through investments, and when you withdraw it for qualified education expenses, tuition, room and board, books, computers, even registered apprenticeship programs, you pay no federal tax on the growth. Some states add their own tax deduction or credit for contributions, which is free money on top. If your state gives you a deduction, a $2,000 contribution might save you $100 or more on your state taxes immediately, before the account earns a cent. That's the part most people miss: the benefit starts at contribution time, not just at withdrawal time.

Now the growth math, because that's where starting early actually matters. Say you save $100 a month from the time your kid is born until they turn 18. That's $21,600 in contributions. At a 6% average annual return, the account ends up around $38,000. The extra $16,400 is growth you didn't have to save, and it's tax-free if it's spent on college. Start at age 10 instead, same $100 a month, and you end up with about $11,600 in contributions growing to roughly $14,500. Same monthly effort, less than half the result, because you lost eight years of compounding. The lesson isn't that you need to save a fortune. It's that time does more work than the monthly amount does.

A lot of people avoid 529s because of one fear: what if my kid doesn't go to college? That's a fair question, and the answer is better than it used to be. If the money isn't used for education, you pay income tax plus a 10% penalty on the earnings only, not on your contributions. Your contributions come back untouched. And since a recent rule change, you can roll up to $35,000 of leftover 529 money into a Roth IRA for the beneficiary, subject to annual limits and a 15-year account age rule. That's a real escape hatch: unused college money can become retirement money. You can also change the beneficiary to another family member, including yourself, if plans change.

Another myth is that saving for college hurts financial aid. A 529 owned by a parent counts as a parental asset on the FAFSA, and parental assets are assessed at a maximum of 5.64%, which means $10,000 in a 529 reduces aid by at most $564. Compare that to not saving at all and borrowing $10,000 at 6% interest, which costs far more over a ten-year repayment. Saving wins, even after the aid formula. Grandparent-owned 529s used to be treated differently, but under the current FAFSA rules, distributions from grandparent-owned plans no longer count as student income. If grandparents want to help, a 529 is one of the cleanest ways to do it.

So how much should you actually save? The honest answer is: whatever you can, consistently, starting now. The full cost of four years at a public university can run $100,000 or more, and private schools can double that, which makes the target feel impossible and makes people save nothing. Don't aim for the full sticker price. Aim for a third of it, or half, and let grants, scholarships, work, and yes, some loans cover the rest. Saving $50 a month beats saving $0 a month, and it beats borrowing every dollar later. If family members ask what to buy the kids for birthdays, a 529 contribution is the rare gift that compounds.

Picking a plan is simpler than it looks. You don't have to use your own state's plan, though your state's tax deduction might make it the best choice. Look for low fees, ideally under 0.30% a year, and an age-based portfolio that automatically shifts from aggressive to conservative as the kid gets older. That's the set-it-and-forget-it option, and for most families it's the right one. You don't need to pick individual funds or time the market. Set up an automatic monthly contribution, even a small one, and let the plan do the rest.

The biggest mistake with college savings isn't picking the wrong plan. It's waiting for the perfect plan, the perfect amount, or the perfect time. There isn't one. A 529 opened today with $25 a month beats a perfect plan opened in three years. Your future self, and your kid, won't care that you started small. They'll care that you started at all, because every year you wait is a year of compounding you can't buy back.

Disclosure: This article was drafted with AI assistance and reviewed by the author.