Educational services, namely, conducting classes and tutoring in preschool, kindergarten, elementary and secondary school levels; developing educational manuals and curriculum for teachers; developing educational lesson plans, books, and curriculum for others for instruction in preschool, kindergarten, elementary and secondary school education; developing educational manuals for others for instruction in preschool, kindergarten, elementary and high school education; development and dissemination of printed educational materials for preschool, kindergarten, elementary and secondary school education; providing a website featuring educational information in the field of preschool, kindergarten, elementary and secondary school education