This online course is designed for teachers seeking an additional qualification in teaching preparation for the Test of English as a Foreign Language. The course is divided into 4 modules. The modules include an Introduction to the TOEFL test and other language proficiency tests, TOEFL Language Skills (reading, listening, speaking, writing), TOEFL Building Skills (grammar, pronunciation, vocabulary, and supporting skills), and Lesson Development for teaching TOEFL preparation. This course is based on the newest 2023 version of the TOEFL.