Diploma in Teaching English to Speakers of Other Languages (DELTA)


What is the DELTA ?

Diploma in Teaching English to Speakers of Other Languages (DELTA) is an internationally recognized and highly respected diploma that represents the highest TEFL qualification in the world. DELTA is an advanced blend of theory and practice that provides professional development for teachers with at least one year’s experience. It gives you skills and techniques that will help you throughout your career.

Why apply for DELTA ?

  • DELTA is taken over three modules – you can take as many modules as you like, in any order.

  • Deepens your knowledge and understanding of English language teaching.

  • Internationally recognised, highly respected and a benchmark for quality.

  • Enables you to develop your career and prepare for more senior teaching role

Who is DELTA for?

  • English language teachers who have been teaching for at least one year

  • English language teachers who want to progress into more senior roles such as head of English and teacher training

  • Experienced teachers who want to extend their expertise in a specialist area

DELTA is suitable for teaching any age group, from young learners to adults.


  •  Must be over 20 years old at the beginning of the course.

  • Two years of teaching experience and an initial teacher training qualification

  • Accredited level C1 according to the Common European Framework.

*An official English Level Certificate is not required.

Why you should take the course with us

  • Flexibility.

  • Teaching Online Course, completely free of charge!

  • Cutting Edge Learning Management Platform.

  • Study & Guided Lesson Planning Sessions

  • Job placement and recruitment service.

  • Access to the IH World network of schools.

  • Financial aid and access to education.

  • Official DELTA materials.


  • Module 1 - Understanding language, methodology and resources for teaching

This module focuses on extending and developing candidates’ knowledge and understanding of teaching and learning English in a range of contexts.

  •  Module 2 - Developing professional practice

This module focuses on developing awareness and expertise in the principles and professional practice of teaching English in a range of contexts.

  • Module 3  Extending practice and English language teaching specialism 

 Option 1: Extending Practice and ELT Specialism

You will carry out an independent investigation, leading to the design of a course programme

Option 2: English Language Teaching Management

You will carry out an independent investigation, leading to the design of a course programme.