Downloadable instructional e-books providing instruction to elementary and secondary school students in reading, language arts, literacy, and mathematics; downloadable e-books in the field of information and advice to elementary and secondary school teachers

Printed materials, namely, books, textbooks, books and manuals for teachers, informational handouts and bulletins for parents, guides for students, student workbooks, posters, card packs, student test materials, and materials in the nature of assessment instruments and teacher instructions relating thereto for assessing student abilities, disabilities, and performance, all the aforementioned for grades preK-12 in the fields of reading, language arts, literacy, mathematics, social studies, pre-kindergarten studies, special education, understanding and helping children with special educational needs, professional development for teachers, student behavior, classroom climate, and instructional resources and strategies for teachers

Educational services, namely, providing live and online teacher training and professional development, providing online interactive instruction to students, [developing customized instructional materials for school systems,] and providing educational testing and assessment, with respect to grades preK-12 in the fields of reading, language arts, literacy, mathematics, social studies, pre-kindergarten studies, special education, understanding and helping children with special educational needs, student behavior, and classroom climate