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Arboriculture
Professional certification assessments for tree-care and arboriculture work.
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Why people take these exams
Qualify as an arboriculture professional
What to compare when choosing prep
Compare credential level, tree-care scope, experience, and recertification
ExamQuestions & time
ISA Certified ArboristISA Certified Arborist · ISA
200 multiple-choice questions (four options each), of which 20 are unidentified unscored pretest questions, leaving 180 scored questions3.5 hours (210 minutes)What you'll find
Each exam page pairs checked facts — cost, format, passing score — with real test-taker discussions, videos, and write-ups about that exact exam.