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 in connection with on-line professional development courses of instruction for teachers and educational counselors and administrators, 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; 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; providing an online interactive website by means of a global computer network for the transfer and dissemination of educational instructional materials, tests and information to and among multiple users in connection with training and professional development for teachers and educational counselors and administrators; 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 wide variety of subjects and in connection with professional development training for teachers and educational counselors and administrators