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Trinity DipTESOL

Trinity Diploma in TESOL (DipTESOL)

Trinity College London
Course-based; written work, portfolio, online interview and observed lessons

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About This Exam

Teacher Certification International Teacher Certification
Conducted byTrinity College London
Exam typeCourse-based; written work, portfolio, online interview and observed lessonsSource: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, pp. 13-25
FieldTeaching
Who can applyCandidates need to be practising English language teachers, usually with about 1,000 hours of teaching experience when the course starts. A first degree or equivalent and an initial TESOL certificate (e.g. CertTESOL) are highly recommended. The course provider runs an initial assessment to decide whether a teacher is ready to enrol.Source: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, 'DipTESOL candidate requirements', p. 5
StagesFour assessed units: Unit 1 Language: theory and practice; Unit 2 Research: developmental enquiry; Unit 3 Phonology: classroom applications; Unit 4 Classroom teaching: lesson planning, delivery and evaluation.Source: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, 'Regulation and recognition', p. 5
What it leads toA Level 7 regulated qualification enabling holders to become senior teachers, school managers, directors of studies, teacher educators or to move into other senior professional roles; recognised for exemption from part of some MA programmes.Source: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 6 and 'Recognition of prior learning', p. 28
How to applyCandidates are assessed through a Trinity-validated course provider after completing its programme of study. Trinity's India page lists DipTESOL among the exams offered in India; its India centre list shows one TESOL course provider, Cochin International Language Academy (CILA), Angamaly South, Ernakulam, Kerala, and does not say which TESOL qualifications it runs. Check with the provider before enrolling.Source: Centres - Trinity College London - India (India centre list with TESOL course provider), Centre list entry 'Cochin International Language Academy - CILA'; India page 'Trinity exams offered in India'
Result / certificateThe qualification certificate is awarded as Pass with Distinction or Pass. Each unit is scored out of 100 and banded Distinction, Merit, Pass or Fail; a Pass needs 50% in each of the four units. Candidates have three years to pass all four units.Source: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, 'Assessment procedures and marking', pp. 26-27
RecognitionOfficial / statutory body
LevelInternational

Exam pattern

Four units, each scored out of 100. Unit 1: a three-task assignment (1,800 words for Section 1, 1,200 words each for Sections 2 and 3). Unit 2: a research portfolio with an introductory statement of up to 300 words and three equally weighted tasks of about 3,000 words each. Unit 3: a 30-minute online interview with a Trinity examiner. Unit 4: five observed 60-minute lessons (one unassessed diagnostic, four assessed) and four journal entries. Total qualification time 600 hours (150 guided learning hours).

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, pp. 13-27

Syllabus

DipTESOL syllabus content areas7 topic groups
DipTESOL syllabus content areas 1. Language

The morphology of English (i.e. word formation); The syntax of English; The discourse of English; Rhetorical and cultural conventions of English; The semantics of English; An in-depth* understanding of the grammar of English; The use of pragmatics in English; The segmental and suprasegmental sounds of English and their impact on meaning; Phonemics: Making use of a relevant subset of IPA symbols to describe a candidate-relevant variety of English; Implications of English as a global language and the resulting changes in usage of points 1-9 above

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 9, Section 1
DipTESOL syllabus content areas 2A. TESOL pedagogy

A practical and critical understanding of relevant current and historical TESOL approaches and methods; An awareness of contemporary TESOL pedagogic developments in approaches, methods and contextual appropriacy; Knowledge of how TESOL approaches and methods can be facilitated through a range of contemporary delivery modes

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 10, Section 2A
DipTESOL syllabus content areas 2B. Aspects of teaching practice

Consideration of learner educational and cultural background, i.e. the learner profile; Setting aims and objectives relevant to learner need; Planning appropriate learning procedures to meet stated aims and objectives; Selection of resources appropriate to learner need; Classroom management techniques appropriate to cohort; Using teaching techniques to meet learner need; Formative assessment appropriate to learning; Facilitating learner self-evaluation, as appropriate, to support individual development

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 10, Section 2B
DipTESOL syllabus content areas 2C. Resources for learning and 2D. Learner characteristics

Develop an ability to select, use, adapt, evaluate language teaching materials from a range of sources; Demonstrate a practical awareness of current and emerging technologies; Impact of intrinsic, extrinsic, positive and negative motivation; Relevance of a learner's educational and cultural background and how this can influence effective learning; Awareness of, and support for, a learner's individual learning preferences

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 10, Sections 2C and 2D
DipTESOL syllabus content areas 2E. Contextual factors and 2F. Course design

The impact of different modes of teaching, e.g. in-person, blended and/or online learning on pedagogical approach; The relevance of cohort constituency on planning, e.g. the age of learners, the number of learners, learners Lx; The relevance of learning environment on pedagogic planning, e.g. type of learning institution, resource access, attendance requirements; Awareness of constructive alignment in the planning of a coherent series of lessons relevant to a learning cohort

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 11, Sections 2E and 2F
DipTESOL syllabus content areas 3. Assessment literacy

The purposes and principles of contemporary testing and assessment of language proficiency as relevant to CEFR A1-C2 learners, including assessment validity, reliability and practicality; The ability to assess and evaluate learners' knowledge and skills in English using relevant assessment practices

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 11, Section 3
DipTESOL syllabus content areas 4. Professional development and leadership

Professional development activities, including evidence-based reflective practice; Practices for classroom-based research, including, identifying areas for research, conducting literature reviews, data collection and data analysis; Principles of effective communication with peers for the purpose of in-service teacher development; Awareness of the principles of constructive alignment in the planning of short courses

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 12, Section 4
Unit 1. Language: Theory & practice3 topic groups
Unit 1. Language: Theory & practice Section 1 task

Choose three different learner groups; analyse and give key information for one; grammatical concept; lexical concept; language function; Accuracy and completeness of grammatical analysis; Accuracy and completeness of lexical analysis; Accuracy and completeness of functional analysis; Appropriate range of issues for 'Learner Group 1' for the grammatical concept

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 13
Unit 1. Language: Theory & practice Section 2 task

critically evaluate one piece of learning material (one piece for each language area); give the rationale for its design, focusing on how the material meets identified learner(s) need(s); suggest adaptation(s) to the original material, giving a rationale for adaptations; Critical evaluation: Material A; Rationale for adaptations/design to meet learner needs: Material A

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 14
Unit 1. Language: Theory & practice Section 3 task

design a realistic and implementable teacher CPD project; contextualises the personal and the organisational CPD needs, giving detail of the target educational situation; identifies how personal professional development will result from the CPD project; includes a summary outline of the project; explains how the project and its anticipated outcomes will be evaluated

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 15
Unit 2. Research: Developmental enquiry4 topic groups
Unit 2. Research: Developmental enquiry Introductory statement and unit structure

Candidates must submit an introductory statement of no more than 300 words; three, equally weighted research tasks; Introductory statement

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, pp. 16-17
Unit 2. Research: Developmental enquiry Independent Research Project

Part 1: Literature review; Part 2: Research project and pilot; Context of teaching and learning is clearly described with reference to overall aim, focus and scope of the topic of the IRP; Research design is evaluated through results of the pilot study and revised where appropriate

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 17
Unit 2. Research: Developmental enquiry Observation Instrument

provide a rationale for the design content of an initial observation instrument (e.g. checklist, set of qualitative guidance questions); trial, review and adapt the instrument based on evidence from the first [set of] observation[s], justifying revisions; trial the final version of the instrument; evaluate the final version giving commentary and analysis; give implications for their immediate and longer-term practice

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 18
Unit 2. Research: Developmental enquiry Developmental Record

give a rationale for their choice, making reference to the literature; set themselves between one and three specific developmental objectives; present a developmental log of reflection that is focused on their objectives; conclude with an overall evaluative summary which identifies their professional learning from the experience and implications for future practice

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 19
Unit 3. Phonology: Classroom applications3 topic groups
Unit 3. Phonology: Classroom applications Section 1 presentation

prepares and delivers a five-minute presentation to the examiner on a phonological activity, technique or procedure; engages in a five-minute discussion with the examiner

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 20
Unit 3. Phonology: Classroom applications Section 2 transcription

submits, and answers questions about, a short transcription of their own teacher talk; Accuracy of transcription, with segmental and suprasegmental features

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 20
Unit 3. Phonology: Classroom applications Section 3 discussion

engages in a 15-minute discussion with the examiner, focusing on the theory and practice of teaching phonology; Demonstrates an understanding of key concepts across a broad range of phonological topics; Uses phonological terminology accurately

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 20
Unit 4. Classroom teaching: Lesson planning, delivery and evaluation5 topic groups
Unit 4. Classroom teaching: Lesson planning, delivery and evaluation Unit structure

five teaching observations (one unassessed diagnostic lesson and four assessed lessons); Classes should have a minimum of five language learners; the final lesson is assessed by a Trinity examiner; The Teaching Practice Journal (TPJ) is assessed by centre teams and moderated by Trinity

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 21
Unit 4. Classroom teaching: Lesson planning, delivery and evaluation Lesson planning (LP)

Aims and intended learning outcomes; Assessment of aims and outcome; The learners; Language focus and rationale; The procedure; a phonological aim/outcome, as appropriate to the lesson aim/outcome; differentiated tasks that reflect abilities within the class

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 22
Unit 4. Classroom teaching: Lesson planning, delivery and evaluation Lesson delivery (LD)

Learner progress; Learning environment; Responding to learners' needs; Learner-centred classroom; Time and resource utilisation; candidates deliver a 60-minute lesson to a minimum of five learners

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 23
Unit 4. Classroom teaching: Lesson planning, delivery and evaluation Lesson evaluation (LE)

Assessment of lesson; Adaptations; Materials/Individual tasks; Learners; Development; candidates engage in a post-lesson discussion with their tutor/the Trinity examiner about their lesson

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 24
Unit 4. Classroom teaching: Lesson planning, delivery and evaluation Teaching practice journal (TPJ)

Candidates complete four teaching practice journal entries; Candidates reflect on TP1; Candidates reflect on TP2; Candidates reflect on TP3; Approx. 500-750 words

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, p. 25
DipTESOL aims and learning outcomes1 topic group
Aims and associated outcomes

To develop an in-depth knowledge of language skills and systems; To enhance candidates' knowledge of; a range of language learning theories; non-linguistic factors relating to the learning of English for speakers of other languages; To refine and extend candidates' ability to employ a variety of practical teaching skills in the learning environment; To refine and extend candidates' ability to employ a variety of resources appropriate for the learning of English; To demonstrate a thorough, contextual knowledge of phonology and associated prosodic features; To build candidate's awareness of assessment literacy; To enhance candidates' ability to make informed choices for their future professional learning and development; To enhance candidates' knowledge and skills that would enable them to act in a leadership role

Read from: Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026, pp. 7-8

Official links and how they were checked

  • Diploma in Teaching English to Speakers of Other Languages (DipTESOL) | Trinity Verified against the document
    Official website · Trinity College London · 2026 · checked 2 Nov 2026
    Opened 2026-11-02; the page is titled 'Diploma in Teaching English to Speakers of Other Languages (DipTESOL) | Trinity' and is Trinity's own DipTESOL page: who it is for, four assessment units, the refreshed assessment from April 2026, recognition, 'Find a course', FAQs.
  • Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information, April 2026 Verified against the document
    Syllabus · Trinity College London · April 2026 · checked 2 Nov 2026
    Downloaded 2026-11-02 from the 'View specification' link of the DipTESOL page (resource id 11099). Title page reads 'Diploma in Teaching English to Speakers of Other Languages (DipTESOL) Qualification Specification & Assessment Information April 2026'; contents footer 'Online edition 1.5, 23 July 2026'; printed page numbers 1 to 30. After writing the file I compared every topic phrase of every chapter with the extracted text of the cited pages (pp. 7-25): all found. Pages 26-30 (assessment procedures, qualification information) were read for details.
  • DipTESOL factsheet Opened; part could not be confirmed
    Other official page · Trinity College London · 2026 · checked 2 Nov 2026
    Opened 2026-11-02 from the 'View factsheet' link of the DipTESOL page (resource id 9020). The PDF text could not be extracted (image-based); it was not read and no fact in this file cites it.
  • India | Trinity College London (India page - evidence that DipTESOL is offered in India) Verified against the document
    Other official page · Trinity College London · 2026 · checked 2 Nov 2026
    Opened 2026-11-02; titled 'India | Trinity College London'. It lists 'TESOL teaching qualifications (CertTESOL, DipTESOL)' among the Trinity exams offered in India and says Trinity assessments run from over 100 centres across India.
  • Centres - Trinity College London - India (India centre list with TESOL course provider) Verified against the document
    Other official page · Trinity College London (India) · 2026 · checked 2 Nov 2026
    Opened 2026-11-02; Trinity's own Indian website. Its Subject filter shows 'TESOL (1)' and the list includes 'Cochin International Language Academy - CILA, Angamaly South, Ernakulam District, Kerala, India' marked 'TESOL course provider'. The page does not say whether CILA runs DipTESOL or only CertTESOL.

Official website ↗

Details checked against official sources on 2 Nov 2026. Always confirm against the current official notification before applying.

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