Advanced language teacher development

250-Hour Advanced TEFL/TESOL Diploma

Professor and adult learners discussing academic work in a classroom
Course overview

The 250-Hour Advanced TEFL/TESOL Diploma is designed for educators who want deeper study of methodology, language systems, lesson design and specialist English-language teaching practice.

At this level, learners move beyond introductory TEFL concepts and consider why particular methods work, how language can be analysed for teaching and how teachers can adapt instruction to different ages, purposes and proficiency levels.

Who it is for

Who should consider this course?

  • Practising English-language teachers
  • TEFL-certified teachers seeking advanced development
  • Educators preparing for broader ESL/EFL responsibilities
  • Teachers who want more substantial study before specialist or postgraduate-level TEFL work
Learning outcomes

What you will learn

  • Evaluate different approaches to language teaching
  • Analyse grammar and phonology for classroom use
  • Design lessons for varied proficiency levels
  • Adapt teaching to different learner profiles and contexts
  • Use reflective practice to improve instructional decisions
Curriculum

What the programme covers

The exact depth and assessment load vary by course level. The curriculum below shows the core areas covered in this pathway.

01

Advanced language-teaching methodology

02

Language acquisition and learner differences

03

Advanced grammar for teachers

04

Phonology, pronunciation and connected speech

05

Vocabulary and discourse

06

Skills integration and lesson design

07

Classroom research and reflective practice

08

Specialist teaching contexts

How online study works

The programme is delivered online with flexible pacing and a larger study commitment than the Certificate and Diploma levels.

Assessment

  • Module assessments and MCQs
  • Applied lesson-planning and materials tasks
  • Written assignments, projects or case work

Course Support

Academic support is available Monday through Friday from 10 am to 6 pm. Learners may also send questions by email or WhatsApp outside those hours, and the support team will respond as soon as possible. Each learner is assigned a tutor who can clarify course content, answer programme questions and provide guidance during study.

Certification

Successful learners receive the London College of Teachers Advanced TEFL/TESOL Diploma for the stated study hours.

Career relevance

How this course may support your professional development

The course supports advanced professional development for ESL/EFL educators. Specific senior roles may require additional degrees, experience or regulated qualifications.

Important: Professional-development courses should not be assumed to replace a degree, teacher licence, regulated qualification, visa requirement or employer-specific credential where one is required.
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