$
Typically the average of your 3–5 highest salary years
yrs
Total years counted toward your pension
%
Auto-filled based on state selection above
%
Cost-of-living adjustment (0 if none, or leave blank)
yrs
For lifetime income estimate (use 20–30 years)
Estimated Monthly Pension Benefit
—
⚠️ Social Security Note: Many STRS members do not contribute to Social Security through their teaching positions. If you worked other jobs outside teaching, you may still earn Social Security credits from those. Use the SSA My Account to verify your Social Security earnings record.
Was this calculator helpful?
Sources & Methodology
Benefit formulas sourced from official state STRS handbooks: Ohio STRS, CalSTRS (California), and Texas TRS. Formula: Annual Benefit = Final Average Salary × Years of Service × Benefit Factor. COLA projections use simple annual compounding.
How STRS Pension Benefits Are Calculated
State Teachers Retirement System (STRS) pensions are defined benefit plans — meaning your monthly payment is predetermined by a formula, not by investment performance. The standard STRS formula is straightforward:
Annual Benefit = Final Average Salary × Years of Service × Benefit Factor
Example (Ohio STRS): $65,000 salary × 30 years × 2.2% = $42,900/year = $3,575/month
Example (CalSTRS): $80,000 salary × 30 years × 2.0% = $48,000/year = $4,000/month
Example (CalSTRS): $80,000 salary × 30 years × 2.0% = $48,000/year = $4,000/month
STRS Benefit Factors by State
| State / System | Benefit Factor | Final Salary Calculation | Notes |
|---|---|---|---|
| Ohio STRS | 2.2% (2.5% after 30 yrs) | 3-year average | Max 100% of salary cap |
| California CalSTRS | 2.0% (2.4% at 63 w/30 yrs) | Highest 3 consecutive years | 2% at 60 or 2% at 62 tiers |
| Texas TRS | 2.3% | 5-year average | Rule of 80 or age 65 |
| New York TRS | 1.67%–2.0% | 3-year average | Tier based (I–VI) |
| Illinois TRS | 2.2% (capped) | Highest 4 years of last 5 | Max 75% of salary |
Understanding Your Final Average Salary
Most STRS systems calculate your benefit using a "Final Average Salary" (FAS) — typically the average of your 3 or 5 highest consecutive earning years. In Ohio, this is your 3 highest years. In Texas, it's your 5 highest years. Strategic salary timing in the years leading up to retirement can impact your FAS and thus your lifetime pension benefit significantly.
💡 Planning Tip: If your STRS benefit will be your primary income, a 30-year benefit with a 2.2% factor replaces about 66% of your final salary — close to the 70–80% income replacement commonly recommended for retirement. Add any supplemental savings (403b, 457b, Roth IRA) to close any gap.
Frequently Asked Questions
How is STRS retirement benefit calculated?
The formula is: Annual Benefit = Final Average Salary × Years of Service × Benefit Factor. For example, an Ohio STRS teacher with a $65,000 final average salary and 30 years of service at a 2.2% benefit factor earns $42,900/year ($3,575/month). The benefit factor and final salary calculation method vary by state — check your specific state STRS handbook for your exact formula and tier.
What is the STRS benefit factor?
The benefit factor is the percentage of your final average salary you earn for each year of service. Ohio STRS uses 2.2% (rising to 2.5% after 30 years). CalSTRS uses 2.0%. Texas TRS uses 2.3%. So with 30 years of service at 2.2%, you receive 66% of your final average salary annually as a pension. The benefit factor directly determines the value of each year you teach.
When can I retire with full STRS benefits?
Eligibility varies. Ohio STRS: age 60 with 5 years, age 55 with 30 years, or any age with 35 years for unreduced benefits. CalSTRS: age 55 with 5 years of service credit. Texas TRS: Rule of 80 (age + years = 80) or age 65 with 5 years. Retiring early may reduce your benefit — some systems apply reduction factors for each year before full retirement age. Check your state system for current rules.
Is STRS pension taxable?
Yes, at the federal level STRS pensions are taxed as ordinary income. State tax treatment varies: some states like Pennsylvania exempt pension income entirely; others partially exempt it; many states fully tax pension income. Ohio taxes STRS benefits but provides a retirement income credit. You can elect voluntary withholding when you set up your pension payments. Consult a tax advisor for your specific situation.
Can I collect both STRS pension and Social Security?
It depends. Many states have public school teachers who don't pay into Social Security through their teaching position, meaning they earn no SS credits from teaching. However, if you worked other SS-covered jobs before, during, or after teaching, you may still qualify for Social Security — though the Government Pension Offset (GPO) and Windfall Elimination Provision (WEP) can significantly reduce your Social Security benefit if you also receive a public pension. Verify your status at SSA.gov.
Related Calculators