AEPA 181 Principal Subtest I Exam plus a free online tutoring subscription. This preparation guide contains updated exam questions based on the recent changes to the AEPA 181 Principal Subtest I Exam. The AEPA 181 Principal Subtest I questions are aligned with the updated standards. Most importantly, the exam questions are based on the content seen on the real exam. This guide is designed to get individuals to pass the AEPA 181 Principal Subtest I Exam. Included in the guide are detail explanations to each of the practice exam questions.