


Why Choose Accredited TEFL Courses?
When choosing a TEFL course, accreditation is the key to ensuring your qualification is respected by employers worldwide. With so many short or unregulated TEFL courses available, it’s important to choose a program that is both internationally recognized and academically rigorous.
Trinity CertTESOL is awarded by Trinity College London, an internationally recognised awarding body. The qualification is Level 5 on the UK Ofqual framework and is externally moderated to ensure consistent global standards.
Accredited vs. Non-Accredited TEFL Courses
Our TEFL Certified Courses


Our TEFL certification course
Fully Online Accredited TEFL Courses
Earn your Trinity CertTESOL with one of the most trusted accredited TEFL courses online, designed for flexibility and global recognition. Study from anywhere in the world while completing observed teaching practice with real students, supported every step of the way by experienced trainers. With Ofqual Level 5 accreditation and Trinity’s international reputation, you’ll graduate ready to teach English confidently worldwide.


Blended accredited TEFL Program
Choose the Blended Trinity CertTESOL for a unique mix of flexible online study and hands-on classroom teaching in Thailand. This option is one of the few accredited TEFL programs that combines real cultural immersion with rigorous academic training. After completing your online modules, you’ll travel to Pak Chong to gain authentic classroom experience in local schools, while still benefiting from the same Ofqual Level 5 accreditation and internationally respected Trinity certification.
Who Accredits Our TEFL Courses?

At Tesoltree, we deliver the Trinity CertTESOL, one of the most respected and widely recognised TEFL qualifications in the world. This course is officially awarded and accredited by Trinity College London, an international examination board that has been setting standards in language education since 1877.
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The Trinity CertTESOL is placed at Level 5 on the UK Ofqual Regulated Qualifications Framework (RQF), the same level as the Cambrige CELTA. Every course is externally moderated by Trinity College London to guarantee that no matter where or how you study (fully online or in blended format in Thailand) you receive the same rigorous, high-quality training.
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What makes the Trinity CertTESOL distinct from many other Level 5 TEFL courses is the mandatory, externally-assessed observed teaching practice with genuine English learners. The course mandates a minimum of six hours of observed and assessed classroom teaching (practicum) with real students. This component is highly valued by employers, as it ensures trainees graduate with a guaranteed standard of practical, hands-on teaching experience—something many unaccredited or purely online courses cannot provide.





