1. What is the Idaho PERSI Rule of 80?

The Idaho PERSI (Public Employee Retirement System of Idaho) Rule of 80 determines retirement eligibility for TRS (Teachers Retirement System) members. It requires that the sum of age and service credit equals at least 80, with a minimum of 5 years of service credit.

2. How Does the Calculator Work?

The calculator uses the Rule of 80 formula:

Where:

• \( A \) — Age in years
• \( S \) — Service credit in years

Explanation: The rule requires both conditions to be met: the sum of age and service credit must be at least 80, and the service credit must be at least 5 years.

3. Importance of Rule of 80 Calculation

Details: Accurate eligibility calculation is crucial for retirement planning, determining when TRS members can retire with full benefits, and making informed career decisions.

4. Using the Calculator

Tips: Enter age in years and service credit in years. Both values must be valid (age between 1-120, service credit ≥ 0).

5. Frequently Asked Questions (FAQ)

Q1: What is the minimum service requirement?
A: The minimum service requirement is 5 years of service credit, regardless of age.

Q2: Can I retire before meeting the Rule of 80?
A: Early retirement may be possible with reduced benefits, but the Rule of 80 provides full retirement benefits.

Q3: How is service credit calculated?
A: Service credit is typically based on years of eligible employment and may include partial years and purchased service.

Q4: Does the Rule of 80 apply to all PERSI members?
A: The Rule of 80 specifically applies to TRS (Teachers Retirement System) members within PERSI.

Q5: Where can I get official information about my retirement eligibility?
A: Contact PERSI directly for official retirement counseling and personalized benefit calculations.