On-line educational services, namely, providing courses of instruction and interactive courses of instruction at the grade school, high school, college, graduate and vocational school levels in a variety of academic subjects and in connection with test preparation via a global computer network, and preparation and distribution of course materials and tests in connection therewith; publication of textbooks, educational and instructional course materials and tests distributed via a global computer network; on-line educational testing, namely, preparing, administering and scoring educational tests, and assessment and counseling services based on the test results; providing an online interactive website by means of a global computer network for the transfer and dissemination of grade school, high school, college, graduate and vocational school educational and instructional materials, tests and information to and among multiple users; and providing interactive computer databases in the fields of education and educational training, instruction and testing at the grade school, high school, college, graduate and vocational school levels in a variety of subjects