Become Certified

Taking an ISA Certification Exam is a great goal that will help you advance your career in the arboriculture industry. We highly encourage you to take a few moments to review the materials for Certification. Here, you will discover more about how to prepare for the exam and how the application process works.


Certification Application Handbooks

Before you get started, please take a moment to read the appropriate handbook for more detailed information about the requirements for each ISA Certification.



Submitting Your Application

Once you have decided which ISA Certification you would like to pursue, you will need to fill out an application. You may complete and submit your application online or you may print it out and submit it by FAX or mail to the International office. Please be sure to include all required fees and supporting documents at the time of submittal to ensure that your application can be processed in a timely manner. Examples of supporting documents include reference letters and verification of First Aid, CPR, Aerial Rescue or Tree Worker Skills Exam Waiver Form.


Online Applications


Testing Options

Certification exams are available by paper-based exams offered by a chapter or affiliated organization, or computer-based exams administered at a Pearson VUE testing facility.


Paper-Based Exams

Paper-based exams are offered by the Rocky Mountain Chapter quarterly or are scheduled upon request, pending availability of the local proctors. The exams are administered via paper and pencil. To sign up for an exam please review our list of upcoming exams and contact the International office directly to complete an application form and enroll at 1-888-ISA-TREE.


Computer-Based Exams

Computer-based exams allow the convenience of scheduling the Certification Exam around your schedule and may help avoid you having to drive long distances to a paper-based exam site in your area. If you choose to test at a Pearson VUE testing facility, you determine your own test date and location. Computer-based exams require an additional administrative fee, but you receive your results immediately after you complete the exam, as opposed to waiting 4-6 weeks for your results from a paper-based exam. For more information about computer based exams, please visit the International website at


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  • Rocky Mountain Arborist
  • ISA-RMC Mission Statement

    Through outreach and education, foster an appreciation for trees in the Rocky Mountain Region and support the practice, technology and research of arboriculture.

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