A level 3 TEFL course is an advanced TEFL certification program that typically consists of at least 120 hours of instruction. These courses are more comprehensive than entry-level courses and cover a range of topics, including lesson planning, classroom management, and teaching practice. They are suitable for individuals who want to gain a deeper understanding of language teaching principles and pursue a career in teaching English as a foreign language. Level 3 TEFL courses may also be a requirement for certain teaching positions or for progressing to higher-level qualifications, such as a diploma in TEFL or a Master's degree in TESOL.