TESOL Course - Teaching English to Speakers of Other Languages Empower Global Communication. The TESOL Course at English Teacher Training Center - ETTC is a comprehensive program tailored for educators who aspire to excel in teaching English to speakers of other languages. This course equips participants with essential knowledge in language acquisition theories, effective instructional strategies, and practical experience in lesson design and language proficiency assessment. Whether you aim to work in diverse language learning contexts globally, ETTC’s TESOL Course empowers you to create dynamic learning environments and make a positive impact on your students’ language development. Available Online/On-site.