Editor's note: This article has been reviewed and updated for accuracy in 2026. The Cannabis Training University is one of the most popular and well-known online sources of cannabis education in the United States. Having being featured on NBC, CBS, Fox News, ABC, CBS, NPR and High Times they have about as many accolades as an online organization can get. They also partner directly with big names in the marijuana industry including Ed Rosenthal, one of the most prolific authors in the cannabis cultivation world and long-time contributor to High Times magazine in the 80's and 90's. What is a CTU Certification? Cannabis Training University or CTU for short offers a multitude of certifications to maximize the value of their training and to equip students with a diverse set of skills which help ensure graduates find their place in the 40+ billion dollar (and growing!) legal weed industry. The certificates offered through CTU's training include: Grower Certification, for those looking to specialize in marijuana cultivation and become master growers Cooking Certification, for those looking to get into the rapidly expanding edibles and food products space Career Certification, a more administrative approach to prepare individuals to help cannabis companies hire and grow Medical Cert