Professional Education Organization International

PEOI, Professional Education Organization International, is a nonprofit organization, US IRS 503(c)(3), founded in 1999. PEOI delivers online university-level courses at www.peoi.org entirely free and open to all. PEOI's courses in exact, natural, social, and medical sciences, as well as business administration and all fields of engineering, are organized for standard university semesters of 15 weeks of study. PEOI's courses are in English and some are translated in 9 other languages. To receive PEOI's certificate of completion in a completed course which has automated tests, a student must register. There are no fees to register nor for the certificate, no pre-requisites to enroll, and tests can be taken as many times as needed. Student are free to read courses which do not have automated tests without registration. In 2023, there are over 10,000 contributors at PEOI serving as course authors, editors, tutors, peer reviewers, audio specialists, web page designers, illustrators, test question writers and translators from over 140 countries.