أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
I don't think it appropriate as there should be a step of respect between the two regarding teacher - student relationship.
If a teacher want to add his students then he should:
*create a special page for them.
*Know the level of mental maturity of his students; like Phd students.
