41 educational services, namely, teacher training services in the field of reading, language arts, mathematics, and social studies; instructional services provided to students, namely, instruction in the field of reading, language arts, mathematics, and social studies; developing educational manuals and instructional guides featuring curricular materials for school systems directed to pre-kindergarten through grade 12 students; providing online books featuring teaching materials and student workbooks in the field of reading, language arts, mathematics, and social studies