Why Teachers Are Switching to Roth 401(k) Plans in 2026

This hits teachers in high-cost districts hardest, along with those juggling multiple jobs. Take a high school math teacher in San Francisco earning $160,000: she has to route any catch-up contributions into a Roth 401(k) now. Traditional pre-tax 403(b) catch-ups simply aren’t an option for this group anymore.

Impact on Retirement Strategy

This rule changes the math for a lot of people. Teachers earning $120,000 can still lean on pre-tax 403(b) contributions without any issue. But anyone making over $150,000 gets zero tax benefit from pre-tax savings once they’re past that $24,500 base. They end up paying taxes now on the extra $8,000, in exchange for tax-free growth that lasts a lifetime. At this point, the long-term payoff of Roth accounts is hard to argue against.

Limitation: None of this applies neatly to teachers with modest current income who expect a much higher income in retirement. If you’re fairly confident you’ll land in a lower tax bracket down the road, pre-tax 403(b) savings might still be the smarter play. Worth noting too: teachers in states with no income tax, like Texas or Florida, tend to see less upside from tax-free growth, especially if they plan on retiring in-state.

Tax Strategy: Why Roth Growth Outweighs Pre-Tax Deductions Now

A lot of teachers still assume pre-tax savings automatically win out. That’s not always true. In 2026, with tax brackets expected to climb and inflation still grinding away, the case for Roth growth is stronger than it’s been in years.

If you expect to land in a higher tax bracket once you retire, paying the tax bill now is the better trade. Consider a teacher who puts $24,500 into a Roth 401(k) in 2026 at a 22% marginal rate: she pays $5,390 in taxes upfront. If that account grows to $1.2 million over 30 years, she pulls out every dollar tax-free. Run the same numbers through a traditional 403(b) and that same growth gets hit with 22% tax on withdrawal, which comes to $264,000 in taxes, nowhere close to that $5,390.

Inheritance and RMD Rules

Roth 401(k)s carry one more big advantage: there are no required minimum distributions (RMDs) while you’re alive. That reshapes how you think about estate planning. You can pass the full balance to your heirs, who inherit it tax-free as long as they stick to the 10-year rule. Traditional 403(b)s force RMDs starting at age 73, which can push you into withdrawing money you don’t actually need yet. The IRS rules on RMDs live in §401(a)(9).

Investment Options and Fees: Technology Tools Teachers Use

A lot of 403(b) plans still lean on high-fee annuities, with expense ratios north of 1.5%. The SEC found that 68% of 403(b) plans in 2025 were annuity-based, carrying average fees between 1.2% and 1.5% (Form N-1A). Roth 401(k) plans, by contrast, tend to include low-cost index funds with fees under 0.20%. The gap adds up fast: a $100,000 account paying a 0.75% annual fee loses $750 every year to fees alone. Stretch that out over 30 years and you’re looking at nearly $27,000 in growth that never happened.

Teachers have started leaning on free tools to compare their options side by side. Apps like Robo and fraud detection banking platforms help model outcomes. Some even pull in state pension data so you get the full picture in one place. The Department of Labor (DOL) also keeps a database of plan fees and investment options for public employees, worth checking if you want the raw numbers yourself.

Real-Time Comparison Tools

One teacher in Chicago ran her numbers through a free online calculator to compare a $24,500 annual contribution across both plan types. With a 403(b) annuity charging 1.2% in fees and averaging a 5.5% return, her balance would hit $1.42 million after 30 years. Switch to a Roth 401(k) with 0.15% fees and a 6.2% return, and she’d end up with $1.68 million instead, a $260,000 difference. Fees and tax-free growth account for nearly all of that gap.

Portability and Rollovers for Mobile Educators

Teachers who move between schools, especially crossing from public to private institutions, run into a real headache here. 403(b) plans typically can’t be rolled into an IRA without triggering penalties. Roth 401(k) balances don’t have that problem: they can roll into a Roth IRA whenever you want. That kills off lifetime RMDs entirely and hands you full control over the money.

Picture a substitute teacher in Texas who’s worked across three different districts. She can now consolidate all her Roth 401(k) balances into one Roth IRA without much friction. Try that with 403(b) annuities and you’ll likely hit a wall, since funds often stay locked until age 59½ or require messy in-kind transfers. The DOL reports that teachers who switch districts are 47% more likely to roll over a Roth 401(k) than a 403(b) (DOL, 2025).

Related reading: How a 52.

Frequently Asked Questions

Can I contribute to both a 403(b) and a Roth 401(k) in 2026?

Yes, but only if both plans come from different employers. You can’t split contributions between both under one employer. The $24,500 limit applies across all plans combined. IRS Publication 571 clarifies that elective deferrals are aggregated by employer.

Is a Roth 401(k) better than a 403(b) for part-time teachers?

Often, yes. Part-time teachers juggling multiple employers may find they qualify for a Roth 401(k) through a private or charter school. They can still put money into a 403(b) at their public school job, but only up to that same $24,500 cap overall. The Roth 401(k) tends to win out on portability and fees. The DOL’s 2024 report on non-traditional employment shows 54% of part-time educators now have access to 401(k) plans.

What happens to my 403(b) if I leave education for a private job?

You can just leave the account where it is. But if you want full control over it, you’ll need to roll it into an IRA. Some 403(b) annuities charge steep fees for exiting early, so check the fine print first. Roth 401(k)s tend to make rollovers easier and cheaper. The SECURE 2.0 Act allows penalty-free rollovers from 401(k)s to IRAs for former employees.

Do Roth 401(k) contributions affect my Social Security benefits?

No. Contributions to retirement accounts don’t count toward taxable income for Social Security purposes. Taking large distributions later in retirement could affect how your benefits get taxed, under the IRS provisional income rules (26 CFR § 86.402(d)-1).

Can I change my 403(b) to a Roth 401(k) mid-year?

Only if your employer’s plan allows it, and most don’t. If you’re in a high-earning bracket, it’s usually better to wait for the next plan year before reclassifying contributions as Roth. The IRS doesn’t permit retroactive changes to contribution type.