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International House Mexico
Ih MexicoIh Mexico

Delta (Diploma in Teaching English to Speakers of other Languages)


What is the Delta?


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Presentation Delta

ih México is the most comprehensive provider of Cambridge English Language Assessment teacher training programmes in North and South America, and is the third largest IHWO teacher training centre in the world, The Delta modules are accredited and moderated by the University of Cambridge / Cambridge English Language Assessment Teaching Awards, and a recognized teacher qualification by CENEVAL (Centro Nacional de Evaluación para la Educación Superior).

The Delta modules are one of the most prestigious ESL teacher training qualifications in the world. They are designed for teachers with considerable ELT experience who wish to further their professional knowledge and/or wish to take on further professional responsibilities in the field.
In 2008, Cambridge ESOL introduced a revised version of their reputable in-service Delta qualification. The new programme is based around an enhanced syllabus and a modular format to allow greater flexibility for working teachers who wish to further their professional qualifications.

As a well-respected advanced in-service TESL/TEFL/TESOL qualification, Delta is a flexible way for experienced English language teachers to progress further in their careers. Delta is awarded by Cambridge ESOL, part of the world-renowned University of Cambridge.

Achievement of Delta helps teachers prepare for more senior teaching roles and educational management, while facilitating progression to other qualifications such as MAs in Linguistics and Language Teaching. MA programmes will accept Delta credits (up to 20 credits for each module).

Because Delta is awarded by Cambridge English Language Assessment, part of the University of Cambridge, it is internationally recognised, highly respected and a benchmark for quality.

Key facts about Delta:

  • All Delta courses are based on specifications designed by Cambridge English Language Assessment
  • Delta is comprised of three Modules containing course work, practice teaching, exam and extended research assignment
  • Modules one (exam) and three (extended assignment) are wholly externally assessed by Cambridge English Language Assessment, whereas module two (course work/practice teaching) is assessed internally and via one external observation by a Cambridge English Language Assessment representative

Visit the University of Cambridge site for more Delta information at:

Course Details DELTA

The Delta Modules are amongst the most widely recognised advanced qualifications for teachers working in the field of ELT. They are designed as a qualification for practising English Language teachers anywhere in the world who already have substantial teaching experience. It is an ideal qualification if you want to extend your professional knowledge and wish to take on further professional responsibilities in the field. Delta is also recognized at Master´s degree level and being Delta-qualified is a sign of high professional development in ELT.

Delta involves:

  • Focus on knowledge and understanding of teaching methodologies
  • Development of classroom practice
  • Lesson preparation, teaching practice and written assignments

Module 1

  1. Theoretical perspectives on language acquisition and language teaching
  2. Different approaches and methodologies, including current developments
  3. Language systems and learners’ linguistic problems
  4. Language skills and learners’ problems
  5. Knowledge of resources, materials and reference sources for language teaching
  6. Key concepts and terminology related to assessment

Module 2

  1. The language learner and the language learning context
  2. Preparation for teaching adult learners of English
  3. Evaluating, selecting and using resources / materials for teaching purposes
  4. Managing and supporting learning
  5. Evaluation of lesson preparation and teaching
  6. Observations/evaluations of other teachers’ lessons
  7. Professionalism and opportunities for professional development

Module 3

  • Research into specialist áreas


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DELTA Course Overview

Gaining a Delta qualification requires significant time and effort. Make the most of this investment by studying with us.

Delta at ih Mexico combines seminars and lectures with teaching practice. This will improve your understanding of the English language, as well as demonstrate the principles of effective second language English teaching.

There are three modules:

  1. Module One looks at the background to teaching and learning and is assessed with a written exam. The written exam for Module One, held in June or December, comprises two papers of 1.5 hours each. You can take the exam here or another approved exam centre.
  2. Module Two explores professional practice and is assessed with a portfolio of teaching assignments.
  3. Module Three is a specialist extended assignment. ih Mexico offers Module 1 and 2.

ih Mexico offers Delta Module 1 and Module 2 as an integrated semi-intensive Blended Course:

Our Blended Delta consist of 2 integrated modules over 12 weeks (7 online and only 4-5 face to face):

1. Input Sessions covering the six syllabus areas and exam preparation of Module One:

  • Understanding, knowledge and language awareness
  • The background to teaching and learning English at adult level
  • Resources and materials
  • Working in the classroom
  • Evaluation, monitoring and assessment
  • Professional development
  • Exam preparation skills and practice

2. Practical Teaching Assignments and Coursework of Module Two:

This involves input sessions, lesson plans, observation (with our own students) and post-lesson evaluation based on topics agreed on by the tutors. A total of six practical teaching assignments will take place during the course.


To qualify for the Diploma, you must successfully complete and pass the course work, including practical components. You must also pass a written examination as part of Module One.

Class Size

Class size is limited to a maximum of 12 candidates. There will be two trainers on each Delta module.

Requirements DELTA

The Cambridge Delta is a qualification for practising teachers in the field of ELT. In accordance with guidelines laid out in the Cambridge Delta Handbook, it is highly advisable that candidates applying for this the programme have the following:

  • a first degree
  • an initial ELT qualification
  • a minimum of 2 years full time (1200 hours) teaching experience of ELT within the past 5 years
  • a range of teaching experience working in different teaching contexts and teaching different levels
  • an appropriate awareness of language and language competence in English sufficient to follow the programme and complete all assessed elements successfully (IELTS Band 8)
  • adequate word-processing skills to enable you complete written assignments
  • competence in using the internet and e-mail
  • access to adequate word-processing, internet and email facilities

Suggested Pre-interview Reading

These are some suggested titles for reading prior to the Delta Interview:

  • Principles of Language Learning and Teaching by H. Douglas Brown (Prentice Hall)
  • Principles in Language Teaching by Diane Larsen-Freeman (Oxford University Press)
  • Grammar for English Teachers by Martin Parrott (Cambridge University Press) by Scott Thornbury (Macmillan)
  • Uncovering Grammar by Scott Thornbury (Macmillan)

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Teacher Training Courses and Certifcations





Cambridge ESOL
Examen IELTS