 TEFL-TESOL Course Guide Combined Course Traditionally, TEFL-TESOL certificate courses have been offered either as four-week, intensive courses in a classroom setting or as 100% distance learning. ITTT can see benefits to both forms of study and has combined the best of both methods into a new and exciting course. The online element of the course outlined earlier in this document can take between two weeks and six months to complete, depending how quickly you want our able to work through the course and comes with full online tutor support. Attendance at the training center is for 7 or 10 days. This course is ideal for those students who don't work to their best potential in intensive learning programs or for students who don't have four weeks to commit to an intensive course. Completion of this combined course results in full certification. Please note that this course is only available at certain training centers.