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The DELTA (Diploma in Teaching English to Speakers of Other Languages) is an advanced, internationally recognized qualification for experienced English language teachers. Accredited by Cambridge English, DELTA deepens your knowledge of language, methodology, and teaching practice, enabling you to become a highly skilled educator and progress to senior roles in ESL education worldwide.
This course is ideal for:
- Experienced English teachers aiming to advance their career and achieve senior or specialized teaching roles.
- Educators seeking in-depth theoretical knowledge of language and teaching methodology.
- Teachers who want to teach internationally or online with enhanced credibility and expertise.
- Globally recognized Cambridge DELTA diploma.
- Advanced knowledge of English language, pedagogy, and professional teaching practice.
- Practical and reflective teaching experience with real ESL learners (Module 2).
- Personalized guidance from Cambridge-accredited trainers.
- Career advancement support, including roles in teacher training, syllabus design, and academic leadership.
The DELTA Online Course is delivered fully online in a flexible, part-time format to fit around work or study.
Module 1: Focuses on language, methodology, and resources.
Module 2: Involves practical teaching, lesson planning, and reflective practice with real learners, supported by trainer feedback.
Typically, participants complete one module at a time, with guidance and support throughout. All modules are interactive, combining live sessions, self-study tasks, and online assignments.
- November 2025 – January 2026
- May 2026 – July 2026
Spots are limited to ensure personalized support — early application is recommended.
DELTA blends theory with practice to prepare teachers for advanced ESL roles:
Understanding Language, Methodology & Resources:
- Advanced language analysis (grammar, lexis, phonology, discourse)
- Language acquisition and learning theories
- Evaluation and use of teaching resources
- Curriculum design and lesson planning strategies
Developing Professional Practice:
- Practical teaching with real ESL learners
- Lesson planning, classroom management, and reflective practice
- Observing, analyzing, and improving teaching techniques
- Detailed feedback and professional development guidance
Learn from qualified educators with years of classroom and teacher-training expertise.
Founder of TeachTrain and CELTA, Delta, and YL-certified trainer with 20+ years’ experience teaching and training across the U.S., Europe, and Asia. Holds an MA in Teaching and Translation; trained at New School NY and Stanford.
With 29 years in English teaching and 12 years with the British Council, Oksana specializes in teacher training, remote instruction, and professional development. Expert in adapting methods for diverse and challenging learning contexts.
Globally recognized CELTA tutor and assessor with experience in 50+ countries. Founder of ALP Teacher Training Academy, supporting education for Syrian refugee children. Trusted consultant for NGOs and international institutes.
To apply for DELTA Online, candidates should meet the following:
- Experience: At least one year of teaching English to adults.
- Education: Equivalent to a high school diploma; a CELTA or recognized initial teaching qualification is recommended.
- English proficiency: Near-native or native-level English.
- Technology: Reliable computer, internet connection, webcam, microphone, and ability to use Zoom or similar platforms.
- Commitment: Willingness to participate in all online sessions, complete teaching assignments, and engage with course tasks for each module.
No matter where you are in your teaching career, DELTA equips you with advanced skills, professional credibility, and confidence to take your teaching to the next level.
Learn about course pricing and enrollment process.
- Module 1: To be announced
- Module 2: To be announced
- Pre-Course Interview Fee: £ 20 (required to schedule your interview)
1. Book your pre-course interview and pay the £20 interview fee.
2. Complete the application form and provide any supporting documents.
3. Secure your place by paying the course fee (or early bird fee if applicable).
- In partnership with English Language House
- Cambridge-accredited qualification
- Deepen your methodology and theory
- Strengthen classroom management & analysis
- For experienced English teachers aiming to advance or specialize (C1+ level).
Whether you’re beginning with General English, preparing for DELTA, or pursuing CELTA and DELTA certification, our courses are designed to support your progress and expand your opportunities.
We make that possible with internationally recognized courses, practical training, and dedicated support. Together, we turn your passion for sharing into professional success.
Our graduates share how TeachTrain helped them grow and lead with confidence.
“CELTA is the best guide for any aspiring ESL teacher. I felt motivated and supported every step of the way.”
“This course transformed how I think about teaching. Ben and Svitlana were phenomenal mentors!.”
“A professional team and an effective format. Highly recommended for anyone serious about teaching”
“Classes were practical, fun, and tailored to my needs. I improved my English quickly and now feel confident speaking every day.”
“The prep course made me confident and ready for CELTA. I felt fully supported every step.”
“Classes were practical, fun, and personal. My English improved fast and confidently.”
“Svitlana’s guidance made DELTA clear and achievable. She truly shapes better teachers.”
“CELTA is the best guide for any aspiring ESL teacher. I felt motivated and supported every step of the way.”
“This course transformed how I think about teaching. Ben and Svitlana were phenomenal mentors!.”
“A professional team and an effective format. Highly recommended for anyone serious about teaching”
“Classes were practical, fun, and tailored to my needs. I improved my English quickly and now feel confident speaking every day.”
“The prep course made me confident and ready for CELTA. I felt fully supported every step.”
“Classes were practical, fun, and personal. My English improved fast and confidently.”
“Svitlana’s guidance made DELTA clear and achievable. She truly shapes better teachers.”
Quick answers to the most common questions about our courses and training.
CELTA is ideal for new teachers starting their careers, while DELTA is an advanced qualification for experienced teachers who want to progress professionally or take on training and leadership roles.
Yes. All our CELTA and DELTA courses are accredited by Cambridge English (part of the University of Cambridge), ensuring international recognition and high academic standards.
All our courses are currently delivered online with live tutor support and real teaching practice. If we launch in-person training, we’ll announce it on our website and social channels.
Simply complete our online application form. We’ll reach out to arrange a short interview to assess your level and help you select the right course for your goals.
These Cambridge-certified qualifications open doors to teaching and training opportunities worldwide — in schools, universities, and online education platforms.
Interested in our DELTA program or not sure where to begin? Contact us for personalized advice and enrollment details.