ISA Certified Arborist Exam
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Are you considering a career as a certified arborist and wondered How Hard is the ISA Certified Arborist Exam?

ISA Certified Arborist Exam Considered tough as it test the your arboricultural knowledge and skills. If you have strong knowledge and practical experience you will be successful.

In this guide we will discuss challenges in arborist exam, Requirements and How to Pass the ISA Arborist Exam.

Understand What is the ISA Certified Arborist Exam?

ISA Certified Arborist Exam is a professional certification examination administered by the International Society of Arboriculture (ISA). It is a globally recognized organization dedicated to promoting the professional practice of arboriculture which involves the cultivation, management and study of trees, shrubs and other woody plants.

Arborist Exam is designed to assess the knowledge and skills of individuals working in the field of arboriculture.

Moreover Arborists are responsible for the care and maintenance of trees and they play a crucial role in ensuring the health and safety of urban and natural tree populations.

The exam is typically taken by individuals who want to demonstrate their expertise in tree care and become certified arborists.

Additionally This exam covers a wide range of topics related to tree biology, tree identification, soil science, tree care practices and safety protocols.

It includes both a written portion and a practical examination. To become an ISA Certified Arborist, candidates must pass this comprehensive exam.

How Hard is the ISA Certified Arborist Exam?

The difficulty depends on your experience and knowledge. however it consider as a tough. This exam is design to test the skills and practical knowledge of each individual.

It covers the topic such as:

  1. Tree biology and identification.
  2. Tree and soil nutrition.
  3. Tree pruning and maintenance.
  4. Tree risk assessment.
  5. Diagnosis and treatment of tree disorders.
  6. Tree protection and preservation.
  7. Climbing and safety practices.

The difficulty of the exam is increased as it is not just about theoretical knowledge but also includes practical components. Therefore arborists spend many months preparing for the exam by studying, gaining experience and participating in courses or workshops.

Eligibility Requirements for the ISA Certified Arborist Exam

To be eligible to take the ISA Certified Arborist Exam, candidates should have at least three years of full-time experience in arboriculture or a combination of education and practical experience. A degree in a related field like forestry or horticulture can also be considered as part of this requirement.

Exam Format and Structure

The ISA Certified Arborist Exam is a comprehensive test that evaluates candidates on various aspects of tree care. It consists of 200 multiple choice questions.

It may also include case studies or scenario based mcqs. You will need to have a strong understanding of arboriculture principles as well as practical experience, to pass the exam.

Tips on How to Pass the ISA Arborist Exam

ISA Certified Arborist Exam

Here are some specific tips to help you pass the ISA Arborist exam:

  1. Use the ISA Arborist Certification Study Guide: This guide is the primary resource for the exam. Read it thoroughly, understand its content, and use it as a reference during your preparation.
  2. Create a Study Plan: Organize your study time by creating a structured study plan. Allocate specific time slots for different topics to cover all areas comprehensively.
  3. Set Clear Goals: Define your goals and expectations for the exam. Knowing what you want to achieve will help keep you motivated.
  4. Understand Exam Objectives: Review the ISA’s Certified Arborist Exam Content Outline to understand what topics will be covered and their respective weights. Focus more on areas with higher weights.
  5. Practice with Sample Questions: Practice is crucial. Use sample questions and past exam papers to get a feel for the exam format and types of questions you’ll encounter.
  6. Learn Tree Identification: Tree identification is an essential skill. Familiarize yourself with common tree species and their characteristics.
  7. Hands-On Experience: Ensure you have practical experience in tree care, including pruning, planting, and tree health assessment. So the exam may include practical scenarios.
  8. Use Flashcards: Create flashcards to memorize key terms, definitions, and tree species. This can help you recall information more easily.
  9. Study Groups: Join a study group with other individuals preparing for the exam. Discussing topics and teaching each other can reinforce your understanding.
  10. Online Resources: Take advantage of online resources, including forums, websites, and videos, to enhance your learning and understanding of arboriculture.
  11. Attend Workshops and Seminars: Participate in arboriculture workshops, seminars, or training sessions to gain hands-on experience and network with professionals.
  12. Stay Positive: Maintain a positive attitude and believe in your preparation. Confidence can go a long way in tackling the exam.

ISA Certified Arborist Exam Cost

According to ISA the fee is $170 for members and $280 for nonmembers. For those who elect the computer based testing option there is a computer based testing administrative fee of $125 in addition to the exam.

Advantages of Becoming a Certified Arborist

  • Certified arborists have higher earning potential.
  • Greater job opportunities.
  • Significant impact on tree care.


ISA Certified Arborist Exam is a demanding test that requires dedication and thorough preparation. However, it is achievable for individuals who are committed to becoming certified arborists.

So to pass the ISA Certified Arborist Exam, you must stay updated with the latest industry trends and research. This requires ongoing learning and practical experience.

Read also: Does It Matter Where You Get Your Degree From: Key Facts


how many questions are on the isa arborist test?

The examination is made up of 200 multiple choice questions.

Can you take ISA arborist exam online?

Yes, you can give ISA arborist exam online.

How Hard is the ISA Certified Arborist Exam?

ISA Certified Arborist Exam is quite challenging as it require a strong knowledge of arboriculture and tree care practices. So success depends on thorough preparation and a good understanding of the subject.

What is the passing score for the ISA arborist exam?

Current passing score is 76 hover it may change. you have to get it if you want to pass the exam.

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