A Cannabis testing system that is operable to provide competent demonstration of motor vehicle operation subsequent administration of an amount of Cannabis. The Cannabis testing system of the present invention includes monitored administration of an amount of Cannabis to an individual. The individual will utilize a test vehicle to perform motor vehicle tests prior to Cannabis administration. Ensuing performance of the initial motor vehicle tests the individual has administered thereto an amount of Cannabis. The amount of Cannabis present in the individual is measured in either a blood or urine test. The individual performs a second set of motor vehicle tests wherein the second set of motor vehicle tests are identical to the first set of motor vehicle tests. A comparison of the two motor vehicle tests are made and based on the results of the comparison a certificate and endorsement are provided to the individual.