Welcome to the GAA

A resource for tree care professionals and the public to protect and care for Georgia's trees.

    • Home
    • How to become an Arborist

    Upcoming events


    Certification by the International Society of Arboriculture is an important goal and achievement in the career of anyone who works in or around trees.

    Complete information about certification -- including exam dates, location, and costs -- can be found on the ISA website. For a brief summary, scroll down. 

    Study options are below, however the first step is to apply for eligibility (also in Spanish).

    The GAA offeres review courses combined with a test. Check our upcoming events.

    Alternatively, you may order the study guide (electronic version) and look for an upcoming exam. All certification exams are available as computer-based exams. Visit the Pearson VUE site to learn more about testing locations in your area.

    The ISA FAQ is also helpful.

    Tambíen en Español, Aqui

    Also helpful are the application handbooks produced by the ISA.

    ISA CREDENTIAL GUIDE (Click to link to correct ISA Page)


    -3 years of experience or a 2-yr degree in a related field + 2 yrs of experience or a 4-yr degree + 1 yr of experience

    -A letter of recommendation from a former or current employer


    -3 Letters of reference (invoices, contracts, etc.)

     Application Process

    2 step process: Apply on ISA's website, then enroll for the exam once approved

    Cost: $170 for ISA & Chapter members, $280 for ISA non-members 

    Dates & Deadlines

    Paper Exams: You must enroll & pay within at least 12 business days before the date. There are no paper tests scheduled in GA for 2021.

    Online Exams: Once you submit your application and gain approval, you may schedule your exam up to 90 days in advance. $125 additional fee.

    Exam Content & Format

    3.5 hour exam, 200 questions

    You must pass with a 74% or higher. You may retake the exam within 1 year.


    Your certification will be valid for 3 years.

    To renew, you can retake the exam or accumulate 30 CEUs (Continuing Education Units)

    Cost: $120 for ISA members, $230 for ISA non-members

    GAA's Upcoming CEU's

    Georgia Arborist Association

    Email:  info@georgiaarborist.org
    Phone:  (404) 913-1422
    Address:  GAA ~ P.O. Box 2516~ Decatur, GA  30031

    Powered by Wild Apricot Membership Software