Printed instructional, educational and teaching materials, namely, lesson plans, handouts and homework assignments, presentation materials, examples of student work, and tests and assessments, for use in teacher training and professional development at the primary and secondary education levels

Printed instructional, educational and teaching materials, namely, lesson plans, handouts and homework assignments, presentation materials, examples of student work, and tests and assessments, for use in teacher training and professional development at the primary and secondary educational levels