Looking back it seems somewhat silly to not use the TL for instruction in a World Language classroom. What is the language classroom for, if not for immersing students in a language-rich environment that mimics the real world? Thinking back to my own study abroad experience, I remember the first few weeks as terrifying - I couldn't understand or respond to anyone! Is that what I really wanted for my students? TL usage had to change in my classroom.
Moving from 90% English to 90% TL, however, was not just about me, the teacher, but also the curriculum, the approach, and, of course, the students. Here are some quick and easy ways to make TL use the norm rather than the exception: