Missouri · PSRS · Social Security

Most Missouri PSRS members don't pay into Social Security

For most Missouri teachers, PSRS takes the place of Social Security on their school pay. The WEP and GPO cuts are gone.

Missouri specificsShort answer: most Missouri PSRS members don't pay Social Security on their school pay, and they can't choose to. If your position is covered, you pay two-thirds of the PSRS rate and those years count at two-thirds in the formula. WEP and GPO no longer cut Social Security from other work or a spouse. Medicare is on retiree health too. Estimate your PSRS benefit in the calculator and see taxes.

Who pays Social Security

Most PSRS members don't contribute to Social Security on PSRS-covered earnings; participation depends on the district and position, and members can't choose it. Members whose positions are covered pay two-thirds of the PSRS rate and get two-thirds benefits for those years. Handbook p. 98, PSRS Members and Social Security; PSRS Positions Covered by Social Security

Two-thirds yearsIf your position is covered by Social Security, those years count at two-thirds in your PSRS formula. In PSRS's example, 25 full years and 5 two-thirds years pay $3,252 a month. Handbook pp. 47-48, Members Contributing at Two-Thirds the Full Contribution Rate See the formula.

WEP and GPO are repealed

The Social Security Fairness Act (signed January 5, 2025) repealed WEP and GPO; affected PSRS members' Social Security increased retroactive to January 2024 payments. It doesn't change PSRS contributions. Handbook p. 100, Frequently Asked Questions; psrs-peers.org, Social Security and Medicare

Railroad pensions

PSRS benefits are almost never affected by Social Security or railroad pensions, but railroad pensions are often reduced because of PSRS benefits. Handbook p. 100, Social Security and Railroad Benefits

Medicare

If hired before April 1986 and you haven't changed covered employers since, you don't pay Medicare tax on PSRS wages; hired or changed employers since then, Medicare tax is withheld. Handbook p. 98, Medicare Benefits for PSRS Members

For questions about your own Social Security or Medicare, contact the Social Security Administration. PSRS can't answer them.

What the handbook says

Questions

Do PSRS members pay into Social Security?

Most don't on their PSRS pay. It depends on your district and position; you can't choose.

Does WEP or GPO still cut my Social Security?

No. The Social Security Fairness Act, signed January 5, 2025, repealed both.

Can I pay the full PSRS rate if my position is covered by Social Security?

No. Members in Social Security-covered positions pay two-thirds of the PSRS rate, and the law doesn't let you choose the full rate. Those years count at two-thirds in the formula.

When can I get Social Security and Medicare?

Reduced Social Security starts at 62; full benefits depend on your birth year and start no earlier than 65. Medicare starts at 65 for most people.

Does Social Security reduce my PSRS benefit?

Almost never. PSRS says its benefits are almost never affected by Social Security or railroad pensions.

Estimate your pension →

Source: PSRS Member Handbook, 2026-2027 (as of September 2026), pp. 47, 48, 98, 100; psrs-peers.org pages. Last reviewed .