Arborist Safety PPE: What You Will Be Tested On
A comprehensive guide to Personal Protective Equipment (PPE) for the ISA exam. Covers ANSI Z133 standards, helmet classes, chainsaw protection, and eye safety.
TreeNerd TeamApril 22, 2025ISA Exam Guide
Eligibility, registration, domains, scoring, and exam-day logistics for ISA Certified Arborist candidates.
Most recent articles in ISA Exam Guide
TreeNerd TeamApril 22, 2025Common ISA Exam Mistakes and How to Avoid Them
The most frequent reasons candidates fail the ISA Certified Arborist exam and simple systems to prevent them.
TreeNerd TeamApril 6, 2025ISA vs TRAQ: What Is the Difference?
Comparing the ISA Certified Arborist credential with the Tree Risk Assessment Qualification (TRAQ). Which one do you need, and when?
TreeNerd TeamMarch 30, 2025How to Earn ISA CEUs for Recertification
Don't lose your hard-earned credential. A guide to earning 30 CEUs every 3 years without breaking the bank.
TreeNerd TeamMarch 26, 2025Best ISA Exam Prep Books and Resources
A prioritized list of official ISA guides, ANSI standards, and supplemental resources to help you pass the arborist exam.
TreeNerd TeamMarch 22, 2025ISA Exam Score Requirements and How Grading Works
A breakdown of how the ISA exam is scored, what the 76% passing threshold really means, and how to interpret your domain performance.
TreeNerd TeamMarch 18, 2025ISA Exam Day Checklist: What to Bring and How to Prepare
A complete exam-day survival guide. What ID to bring, what calculators are allowed, and strategies for managing stress during the test.
TreeNerd TeamMarch 14, 2025Urban Forestry Fundamentals for the ISA Exam
Understand the 'big picture' domain. Urban Forestry is about managing populations, ordinances, and the conflict between grey and green infrastructure.
TreeNerd TeamFebruary 26, 2025Safe Work Practices and ANSI Z133: What the ISA Exam Tests
A deep dive into the ANSI Z133 safety standard. Learn the "Shall vs Should" rule, Minimum Approach Distances, and chainsaw safety protocols.
TreeNerd TeamFebruary 10, 2025How Hard Is the ISA Certified Arborist Exam? Pass Rates and What to Expect
A realistic look at the difficulty of the ISA Certified Arborist exam, analyzing pass rates, question styles, and reliable preparation strategies.
TreeNerd TeamJanuary 25, 2025ISA Certified Arborist Exam Cost, Scheduling, and Registration
breakdown of ISA exam fees for members vs non-members, how to schedule with Pearson VUE, and tips for avoiding rescheduling fees.
TreeNerd TeamJanuary 21, 2025ISA Certified Arborist Eligibility Requirements and Application Process
Detailed explanation of the 3-year experience rule, academic substitutions, and the step-by-step application process for the ISA exam.
TreeNerd TeamJanuary 17, 2025