Most advisors talk about trusts when estate taxes come up.
Very few talk about 529 plans.
And yet, one properly structured 529 strategy saved our client over $1 million in estate taxes — while still allowing them to retain control of the assets.
This case study shows how educational planning can become a powerful estate planning tool.
The Situation: A $50 Million Estate and an $8 Million Tax Problem
Our clients — we’ll call them Joe and Sherry — are worth north of $50 million.
They have:
- 4 children
- 20 grandchildren
- A clear desire to fund education for their family
Under current federal estate tax rules, estates above the exemption amount are taxed at 40%. For high-net-worth families, that becomes a significant issue.
In their case, they were staring at roughly an $8 million estate tax liability if nothing changed.
So we began looking for ways to:
- Reduce their taxable estate
- Maintain control of assets
- Support family goals
- Avoid unnecessary complexity
That’s where 529 plans came in.
What Is a 529 Plan?
A 529 plan is a tax-advantaged education savings account.
Here’s how it works:
- Contributions grow tax-free
- Withdrawals are tax-free when used for qualified education expenses
- Funds can be used for:
- 4-year universities
- 2-year colleges
- Trade schools
- Up to $10,000 per year for K–12 private school tuition
If funds are used for non-qualified expenses, earnings are taxed and penalized — but the account owner maintains flexibility and control.
And that ownership detail is critical.
The Strategy: Funding Grandchildren’s Education to Reduce Estate Size
Joe and Sherry had 20 grandchildren.
Of those:
- 16 were under college age or currently in school
- 4 were older
We opened 529 plans for all 20 grandchildren.
They contributed $1.8 million across those accounts.
Over time:
- $450,000 has already been withdrawn tax-free for education
- The accounts generated approximately $1.1 million in growth
- Current total value: $2.55 million
Let’s pause there.
They contributed $1.8 million.
They used $450,000.
The accounts are still worth $2.55 million.
That growth is entirely tax-free when used for education.
But here’s where it becomes powerful from an estate perspective.
The Estate Tax Impact
The $2.55 million currently sitting in 529 plans is not part of their taxable estate.
If that same $2.55 million were still inside their $50 million estate, it would be subject to a 40% estate tax.
$2.55 million × 40% = $1.02 million
That’s the estate tax avoided.
And that calculation does not even include:
- The income tax savings on $1.1 million of tax-free growth
- The education funding they were planning to provide anyway
This is what I call aligned planning:
- Same family objective
- Same dollars
- Dramatically better tax outcome
529 Plan vs. Irrevocable Trust: Retaining Control of Your Assets
Most advisors default to irrevocable trusts.
Trusts absolutely have their place.
But with many irrevocable structures:
- You lose direct control
- Access becomes restricted
- Administration becomes complex
- Costs increase
With properly structured 529 plans:
- The grandparents remain the account owners
- They maintain control
- They can change beneficiaries
- They can redirect funds
- They can even withdraw funds (subject to tax/penalty rules)
You remove assets from the estate while maintaining flexibility.
That combination is rare in planning.
Why This Strategy Works Even Below $30 Million
Not everyone reading this has a $50 million estate.
But the strategy still works at lower net worth levels.
Even if estate tax is not a concern, 529 plans provide:
- Tax-free compounding
- Income tax efficiency
- Multigenerational wealth transfer
- Potential financial aid planning advantages
In this case, the estate tax savings created the headline number.
But the $1.1 million of tax-free growth would have been powerful regardless of estate size.
Tax-free compounding over long periods is one of the most underappreciated wealth-building tools available.
The Long-Term Impact
The accounts nearly doubled in six years.
If similar growth continues, the estate tax savings alone could approach $2 million over time.
But the real win isn’t just tax reduction.
It’s this:
- Education funded
- Family values reinforced
- Wealth transferred intentionally
- Taxes minimized
- Control preserved
That’s generational planning done right.
Final Thoughts
Estate planning is not always about exotic structures.
Sometimes it’s about using familiar tools in more strategic ways.
In this case, a series of 529 plans:
- Removed $2.55 million from a taxable estate
- Avoided $1.02 million in estate tax
- Generated $1.1 million in tax-free growth
- Preserved full control for the clients
If you are a business owner or high-net-worth family trying to think beyond just accumulating wealth — and instead focus on preserving and transferring it intelligently — these are the types of strategies that matter.
If you want to explore how this could apply to your situation, reach out to our team today. Strategic planning is rarely about one tactic. It’s about aligning your assets with your long-term legacy.