The Sheltered Model
Sheltered and adjunct CBI usually occurs at universities in English L1 contexts. The goal of teachers using sheltered and adjunct CBI is to enable their ESL students to study the same content material as regular English L1 students. Sheltered CBI is called "sheltered" because learners are given special assistance to help them understand regular classes. Two teachers can work together to give instruction in a specific subject. One of the teachers is a content specialist and the other an ESL specialist. They may teach the class together or the class time may be divided between the two of them. For example, the content specialist will give a short lecture and then the English teacher will check that the students have understood the important words by reviewing them later. This kind of team teaching requires teachers to work closely together to plan and evaluate classes. It has been used successfully at the bilingual University of Ottawa, where classes are taught in English and French, (Briton, 1989).