pedagogical content knowledge: iranian teachers’ conception in a content-and-language-integrated-learning context

According to some estimates, more than 3 million students are presently studying in international schools across the globe and a growing interest to join them in such sites is expected in future . two features mark the distinctions between international and national schools: 1) the curriculum model; 2) the medium of instruction. in an international school, teachers follow an international curriculum teaching expatriate students its contents in a second language.