Pass the ISA Certified Arborist Exam - or get your money back.
Most people fail because they study the wrong things. Get the expert-led system built for first-try success — without wasted hours.
- ✅ 6+ Hours of Expert Video Lessons
- ✅ 2,500+ Flashcards & Full Glossary
- ✅ Unlimited Mock Exams (Simulate the Real Thing)
Pass guarantee: complete the full course and if you do not pass your first attempt, you can request a full refund.
⚡ Instant Access • Pass guarantee with full course completion
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60% of ISA exam candidates fail on their first attempt
Without proper preparation, candidates struggle with complex topics, waste time on irrelevant materials, and lose confidence before exam day.
Overwhelmed by study materials
Lose confidence and motivation
Fail the exam
All you need to pass theISA Certified Arborist Exam
Built for first-try success and backed by a pass guarantee when you complete the full course.
- Expert-created content by Chris Comer covering every section of the ISA Certified Arborist Exam. Our educational platform includes detailed lessons on tree biology, soil science, tree identification, pruning techniques, safety practices, and all exam topics with pass-guaranteed methodology.
- Test your knowledge with comprehensive quizzes designed to mirror the actual ISA exam format. Our educational platform features adaptive learning with detailed explanations for every answer, helping you identify weak areas and build confidence through targeted practice.
- Learn from Chris Comer through high-quality video recordings that bring complex arboriculture concepts to life. Our technical infrastructure delivers crystal-clear video content covering tree identification, pruning demonstrations, safety protocols, and exam strategies.
- Enhance your understanding with detailed visuals, diagrams, and infographics covering tree anatomy, disease identification, pruning cuts, and safety equipment. Our user experience (UX) design ensures all visual materials are clear, accessible, and optimized for learning retention.
Traditional exam prep vs. our comprehensive course
Studying without our course
- Overwhelming amount of study materials
- No expert guidance on what to focus on
- Limited practice with real exam questions
- Outdated or incomplete information
- No pass guarantee
Studying with our comprehensive course
- Structured, focused learning path
- Expert guidance from Chris Comer
- Practice exams mirroring the real test
- Up-to-date, comprehensive content
- Pass guarantee with full course completion
Learn from an ISA-focused instructor
"My passion is helping arborists succeed. With almost 20 years in the industry and experience educating hundreds of certified arborist test takers, I understand exactly what it takes to pass the ISA exam. This comprehensive course combines my expertise with proven learning methods to ensure your success."
Why TreeNerdAcademy is a No-Brainer
Stop renting your education. Own your future.
TreeNerdAcademy
The New Way
Total Investment
Returns to $249 after 3 enrollments
Access
Own it
Content
+ 100+ Text Lessons
2,500+ Practice Questions
Flexibility
Mobile Friendly
Arborist trained AI
Arb AI Tutor
Access to Community
Mock Exams
Pass guarantee
With full course completion
TreeU
The Rental Model
Total Investment
Recurring
Access
Rent
Content
Practice
Non interactive
Flexibility
Arborist trained AI
Access to Community
Mock Exams
Pass guarantee
Chapter Courses
The Old Way
Total Investment
Per Event
Access
Live Only
Content
Zoom/Live
Practice
Flexibility
Inconvenient
Arborist trained AI
Access to Community
Mock Exams
Pass guarantee
Master the ISA exam with
proven learning methods
Interactive Flashcards
Master key concepts with our comprehensive flashcard system covering tree identification, diseases, and arboriculture terminology.
Tree Identification
Expert Video Content
Learn directly from Chris Comer through high-quality video lessons covering complex arboriculture concepts.
Tree Biology Fundamentals
Chris Comer • 15:32 • Completed ✅
Pruning Techniques & Best Practices
Chris Comer • 22:15 • In Progress 🔄
Soil Science for Arborists
Chris Comer • 18:47 • Not Started ⏸️
Comprehensive Text Content
Detailed written materials covering every section of the ISA exam with clear explanations and examples.
Tree Biology
100%Soil Science
85%Tree Identification
60%Safety Practices
40%Pruning & Maintenance
25%Mock Exams
Practice with realistic exam simulations that mirror the actual ISA Certified Arborist Exam format.
Practice Exam #1
85%Practice Exam #2
92%Step 1
Learn the ISA domains (short lessons + visuals)
Step 2
Drill with 2,500+ exam-mirroring questions
Step 3
Simulate the real test with unlimited mock exams
Pricing
Pass the ISA Certification Exam on Your First Try.
Save $50-$70 today. Price jumps to $249 / $299 when the last 3 are gone.
Pass guarantee with full course completion.
The Self-Study Protocol
The complete toolkit to study at your own pace and dominate the exam.
$249
$199
USD
- Pass guarantee with full course completion (full refund if you do not pass)
- 6+ hours of concise video lessons
- 2,500+ exam-mirroring questions
- Unlimited mock exams (real test simulation)
- Arb AI Tutor + Active Recall Flashcards
The Inner Circle Edition
Never get stuck. Get certified faster with lifetime support and expert access.
$299
$229
USD
Only $30 more for Lifetime Support
- Pass guarantee with full course completion (full refund if you do not pass)
- Everything in Self-Study (Videos, AI, Flashcards, Mock Exams)
- Lifetime Community Access — Join a network of serious arborists
- Career Networking — Connect with professionals who are already winning
- Priority Support — Your questions get answered first
See How It Works
ISA Exam Resources
Start with these high-impact guides for exam domains, scheduling, eligibility, and study strategy.
ISA Study Schedule Template and Weekly Checklist
A plug-and-play study template for working arborists. Includes a weekly checklist to keep you on track without burning out.
TreeNerd Academy vs TreeU: Which ISA Prep Course Is Right for You?
An honest comparison of the two leading ISA exam prep platforms to help you decide where to invest your time and money.
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.
ISA Exam Glossary: Core Terms You Must Know
A cheat sheet of the most critical vocabulary for the ISA Certified Arborist exam, from Biology to Risk Management.
ISA Exam Flashcards: How to Use Spaced Repetition
Why standard flashcards fail and how to use Spaced Repetition (SRS) to memorize the hundreds of terms needed for the ISA exam.
How to Build a Weekly Study Routine That Actually Sticks
Motivation is fickle. Habit is reliable. Here is how to create a study routine that survives the chaos of a working arborist's life.
FAQ
Frequently Asked Questions
- You get video lessons, practice questions, mock exams, flashcards, and a glossary aligned to ISA Certified Arborist exam domains.
- Sign in at treenerdacademy.com/dashboard with the same email used at checkout to unlock immediate access.
- You keep lifetime access, including future updates to relevant prep material.
- Yes. If you complete all course materials and do not pass the ISA Certified Arborist Exam on your first attempt, you can request a full refund within 30 days of the exam date.
- To request a refund, you must complete at least 90% of lessons before your exam date, watch all course videos, use the platform as intended, and provide valid exam results showing you did not pass.
- Yes. Content is reviewed and refreshed to stay aligned with current ISA exam expectations and arboriculture best practices.
- Yes. The platform is optimized for desktop, tablet, and mobile so you can study from the field or office.
- You can contact support through the platform and get help with account, billing, or access issues.
Start your journey to becoming a certified arborist today
Join thousands of successful arborists who passed the ISA exam with Chris Comers comprehensive videos. Expert content, interactive learning, community and plenty of practice reps.
Pass guarantee: complete the full course and if you do not pass your first attempt, you can request a full refund.
Enroll in the Course Now