How Hard Is the ISA Certified Arborist Exam? Pass Rates and What to Expect
"Is the ISA arborist exam hard? Real pass rate data, the trickiest domains, and why study guide scores don't predict real exam results."
Chris ComerJanuary 25, 2025
Chris Comer
ISA Board Certified Master Arborist
Chris Comer is an ISA Board Certified Master Arborist (BCMA) and the founder of Joshua Tree Inc. (Florida License FL6714B). He has taught ISA exam prep to hundreds of arboriculture students through his YouTube channel and the Tree Nerd Academy platform. With 15+ years of field experience and direct teaching on every ISA exam domain, Chris created Tree Nerd Academy to give working arborists the most effective, accessible exam prep course available.
Articles by Chris Comer
Chris ComerJanuary 25, 2025ISA Certified Arborist Exam Cost, Scheduling, and Registration
"ISA exam fees range from $170 to $405. Here's the full cost breakdown, how to register at Pearson VUE, and what to expect at scheduling."
Chris ComerJanuary 21, 2025ISA Certified Arborist Eligibility Requirements and Application Process
"Who qualifies for the ISA Certified Arborist exam? Learn the experience requirements, degree substitutions, and how to apply step by step."
Chris ComerJanuary 17, 2025ISA Arborist Exam Domains Explained
"The ISA exam covers 10 domains worth different % of your score. Learn which domains matter most and where to focus your study time."
Chris ComerJanuary 13, 2025ISA Certified Arborist Practice Questions and Mock Exam Strategy
"How to use practice questions effectively, what domains to test yourself on first, and why mock exam scores differ from the real ISA exam."
Chris ComerJanuary 9, 2025ISA Certified Arborist Exam: The Complete Study Guide
"Everything you need to know about the ISA Certified Arborist exam — format, domains, eligibility, and how to study. Written by ISA BCMA Chris Comer."
Chris ComerJanuary 5, 2025