Updated September 3, 2026. Quick answer: Tennessee Consolidated Retirement System (TCRS): the COLA is automatic, tied to CPI up to a 3% cap, service credit can be purchased, and no DROP was found, including for judges, a group this page checked specifically. Vesting takes five years for teachers and general state employees (eight for judges under the Legacy Plan).
Provisional. This page is published at medium confidence. The specific points that could not be confirmed are listed under What could not be verified below, and are named rather than smoothed over.
The verdicts
| Is the COLA granted? | Automatic |
|---|---|
| Is the COLA compounded? | Not stated |
| Vesting | 5 years (8 years for judges) |
| Buy service credit? | Yes |
| DROP? | None found |
| State | Tennessee |
Those first two rows are separate questions and are routinely confused. Whether you get an increase at all is one thing; whether it compounds is another. A system can grant an increase automatically every year and still compute it against your original benefit forever, which is a materially worse deal than it sounds.
The COLA
“Retired teachers and state employees who have been on the TCRS retired payroll for at least 12 consecutive months as of July 1, 2024, will receive a 3% cost-of-living adjustment, the highest increase available under laws governing TCRS. Retirees of local governments who have authorized cost-of-living adjustments will receive the same increase. The COLA is calculated annually by using the Consumer Price Index (CPI), a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services.” Whether it compounds on the prior balance is not stated in the materials reviewed.
Buying service credit
How TCRS members establish or purchase military or other prior service, including eligibility windows, cost basis, and any return-to-employment deadlines, was not found in the materials reviewed for this system.
Run your own numbers before deciding: some purchases never recover their cost, and the calculator shows which.
Coordinate this with your overall retirement plan
An adviser can help weigh a COLA that may not compound, a service-credit purchase that may never pay for itself, or a DROP election against the rest of your retirement plan, but that does not replace the numbers in your own member statement.
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Vesting
How general TCRS teachers and state employees become vested (years of creditable service required) was not found in the materials reviewed for this system. Judges under the Legacy Plan vest differently: “Judges participating in the Legacy Plan attain vesting after eight years of creditable service.” Under the Hybrid Plan, a judge, attorney general, district attorney general, or district public defender instead becomes eligible for service retirement benefits upon attainment of age 60 and completion of eight years of creditable service, or upon attainment of age 55 and completion of 24 years of creditable service. Judges, attorneys general, district attorneys general, and district public defenders are not eligible for early service retirement benefits under the Hybrid Plan.
DROP
This page specifically checked Tennessee’s judges, a group known in other states to carry a DROP. Both the Hybrid Plan and Legacy Plan supplements for judges were read in full and neither mentions a DROP or any deferred/continue-working option. No DROP program was found in the materials reviewed for this system (absence of evidence, not a denial).
DROP is rarer than it appears across the systems on this site: most have none.
What could not be verified
REFUND TERMS: this page does not state what happens to your contributions if you take a refund instead of leaving your account with the system: that comparison was not independently researched for this system this session, and is left as an open gap rather than guessed from another system’s rule. Consult your own plan’s refund/forfeiture terms before deciding. Any additional field marked “not stated” in the verdicts table above was genuinely absent from the official materials read, not omitted for space.
Sources
- TCRS Retiree Advisor, Summer 2024
- TCRS Legacy Plan Supplement for Judges
- TCRS Hybrid Plan Supplement for Judges
Read September 3, 2026.
Related public pension systems: Indiana PERF · Indiana TRF.
General information drawn from each system’s own official published materials, not legal, tax or financial advice. Vesting, COLA and buyback rules are set by state statute and plan tier, differ materially by hire date, and can change by future legislation. This page cannot see your own member statement, which governs. We are not a law firm, a tax adviser, or a fiduciary, and this is not personalized advice.