teaching material fees; cost of educational materials
Refers to fees or expenses for textbooks, handouts, and other instructional resources, often in school or training contexts.
The teaching material fees for the new semester are about 5,000 yen.
Are the teaching material fees included in the tuition?
教材 means 'teaching materials' themselves, whereas 教材費 is the fee or expense for those materials.
Compound of 教材 (teaching materials) and 費 (expense, cost).