120 Hour TESOL Certificate Course — Teaching English to Speakers of Other Languages

A 120 hour online TESOL course covering linguistics, pronunciation, grammar, vocabulary, the four language skills, lesson planning, classroom management, technology, and professional development — with a Certificate of Completion from Global Safety Academy.

  • 4.7 (43 reviews)
  • 81 students
  • 120 hours (self-paced)
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About This Course

The global demand for qualified English language teachers has never been stronger. From online tutoring platforms and international language schools to corporate English programmes and community education initiatives, organisations and learners worldwide are searching for teachers who can communicate, plan, and instruct with professional confidence. A 120 hour TESOL course is the most widely recognised entry-level benchmark in the English language teaching profession — and for many employers, recruiters, and online teaching platforms, it is the minimum requirement for hiring consideration.

This 120 hour TESOL training course from Global Safety Academy gives learners a comprehensive, structured, and professionally grounded foundation in Teaching English to Speakers of Other Languages. Across 15 carefully designed modules, learners will study the theory and practice of English language teaching — from linguistics, grammar, and pronunciation through to lesson planning, classroom management, technology integration, and professional employment preparation. Whether you are planning to teach English abroad, work as an online ESL tutor, or build a long-term career in language education, this TESOL certification course gives you the knowledge, skills, and professional credentials to get started.

 

What Is a 120 Hour TESOL Course?

TESOL — Teaching English to Speakers of Other Languages — is the internationally used professional framework for English language teaching. A 120 hour TESOL course is a structured training programme that covers the core knowledge areas and practical teaching skills required to work as an English language teacher in classrooms, online environments, language schools, corporate training settings, and international educational institutions. The 120-hour benchmark reflects the volume of structured learning required to develop competent, classroom-ready English teaching capability and is the standard recognised by the majority of international language schools and online English teaching employers.

This course covers all major dimensions of TESOL training — including English linguistics, pronunciation, grammar and vocabulary instruction, teaching methodology, receptive and productive skills, lesson planning, classroom management, learner motivation, games and activities, technology in language teaching, and professional development. Learners who complete this programme will be equipped to plan and deliver effective English lessons to learners of different ages, backgrounds, and proficiency levels in a wide range of international teaching contexts.

 

Who Is This TESOL Course For?

This 120 hour TESOL certificate course is designed for individuals who want to teach English as a foreign or second language — professionally, online, or internationally.

This course is suitable for:

  • Aspiring English language teachers who want a recognised 120 hour TESOL qualification to enter the English teaching profession domestically or internationally

  • Online ESL tutors and freelancers who teach English on digital platforms and want structured, certificate-backed TESOL training to improve their professional credibility and employment prospects

  • Graduates and career changers looking to transition into English language teaching as a profession, whether abroad or in their home country

  • Native and non-native English speakers who want to formalise their language knowledge into a professional teaching qualification recognised by international employers

  • Teaching assistants and classroom support staff in schools or language centres who want to develop their formal English teaching knowledge and methodology

  • Corporate trainers and communication coaches who teach business English or professional communication and want a structured TESOL foundation to underpin their practice

  • Travellers and professionals seeking a globally recognised TESOL certificate that supports international employment, visa applications, and teaching placements

  • Employers and language schools who want to provide structured TESOL onboarding training to newly hired English teachers or support staff

 

What Does This 120 Hour TESOL Course Cover?

This TESOL course is structured across 15 modules that together cover every major area of English language teaching — from foundational linguistics and pronunciation through to advanced lesson planning, classroom management, and professional career development. Learners will study how languages are learned and taught, how to teach all four language skills (reading, writing, listening, and speaking), how to plan structured and engaging lessons, how to manage diverse classrooms, how to integrate technology into language teaching, and how to enter the English teaching job market with confidence. The full curriculum is detailed below.

 

What Happens Without Proper TESOL Training?

English teachers who enter the classroom without structured TESOL training frequently struggle with the same predictable challenges — poorly structured lessons, inability to explain grammar clearly, difficulty managing mixed-ability classrooms, limited repertoire of activities, and poor learner engagement. For employers, hiring untrained or minimally trained teachers creates significant quality and reputational risk. For learners, inadequate instruction directly affects their language progress, confidence, and outcomes.

The global English teaching market is competitive. Online platforms, language schools, and international employers consistently screen applicants for a minimum 120 hour TESOL or TEFL qualification before offering roles — particularly for online ESL teaching, which has expanded rapidly across Asia, Latin America, the Middle East, and Europe. Teachers without a recognised certificate are systematically excluded from the majority of paid opportunities. Beyond employability, teachers who lack training in areas such as lesson planning, pronunciation instruction, and learner motivation are less effective in the classroom — regardless of their English proficiency. This course directly addresses that gap, providing the structured knowledge and applied teaching skills that give qualified TESOL teachers a genuine professional advantage.

 

What You'll Learn

By completing this course, learners will be able to:

  • Explain the foundational principles of English language teaching and learning and describe the professional context of TESOL
  • Apply core linguistics knowledge — including language structure and acquisition theory — to inform effective English teaching practice
  • Teach English pronunciation with confidence using phonetics and phonology principles appropriate to learners' needs
  • Plan and deliver grammar and vocabulary lessons using methodologically sound and learner-appropriate instructional techniques
  • Select and apply major English language teaching methodologies — including CLT and task-based approaches — to suit different learner groups and contexts
  • Teach reading and listening as receptive skills using appropriate strategies, task types, and authentic materials
  • Teach writing and speaking as productive skills, supporting learner development in both fluency and accuracy
  • Design structured, objective-led lesson plans that meet the needs of diverse English language learners at different proficiency levels
  • Create and use games and learner-centred activities that reinforce language learning and maintain engagement in English lessons
  • Integrate digital tools and technology effectively into English language teaching and online or blended instruction environments
  • Manage English language classrooms professionally, maintain a positive learning environment, and apply evidence-based strategies to sustain learner motivation
  • Apply the situational approach to English teaching by designing context-rich lessons that develop real-world communicative competence
  • Navigate the international TESOL employment market, identify career development opportunities, and present a professional profile that supports employment as a qualified English language teacher

Requirements

No prior teaching qualification or linguistics background is required to enrol. This course is designed for learners who have a strong working knowledge of English and a genuine interest in teaching it professionally. It is suitable for complete beginners to formal teaching as well as those with some informal teaching experience looking to gain a recognised 120 hour TESOL certificate.

Learners should have:

  • A strong working knowledge of the English language
  • A willingness to engage with linguistics, pedagogy, and teaching methodology content
  • An interest in applying the learning in a real English teaching context
  • A device with internet access
  • Desktop or laptop access recommended for the best learning experience

Who should take this course

  • 120 hours of online self-paced learning
  • 15 structured modules covering the full TESOL curriculum
  • Reading-based and interactive module formats
  • Practical teaching strategies applicable to classroom and online environments
  • Knowledge checks and assessment preparation throughout
  • Mock exam
  • Final exam
  • Certificate of Completion from Global Safety Academy
  • Access from desktop, tablet, or mobile device

Certification

Certification

After completing the course and passing the final exam, learners will receive a Certificate of Completion from Global Safety Academy confirming successful completion of the 120 Hour TESOL course. The certificate documents structured training across all major TESOL competency areas — including English linguistics, pronunciation, grammar and vocabulary instruction, teaching methodology, the four language skills, lesson planning, classroom management, technology in language teaching, and professional development. This certificate is suitable for use in employment applications, professional portfolios, online teaching platform registration, and continuing professional development records. It is not a government-endorsed qualification or formally accredited award unless explicitly stated by Global Safety Academy.

Why Choose Us

Global Safety Academy's 120 hour TESOL course offers a complete, professionally structured TESOL training programme that covers every major area of English language teaching — from linguistics and methodology through to classroom management, technology, lesson planning, and career development. With 15 well-sequenced modules and a clear certificate pathway, the course is designed for learners who want more than a quick credential — they want genuine teaching knowledge they can apply from their very first lesson.

The course is written in clear, accessible Global English and is suitable for learners from any country, language background, or professional starting point. It is fully self-paced, making it practical for working adults, career changers, and aspiring teachers who need flexibility alongside structured, rigorous content. Unlike many short online TESOL options, this 120 hour programme delivers the depth of training that international English teaching employers and platforms consistently require.

Learners choose Global Safety Academy because the training is:

  • Comprehensive — 15 modules covering the full scope of TESOL knowledge and practice
  • Globally applicable — relevant to teaching in any country, context, or platform
  • Accessible — written in clear Global English for native and non-native speakers alike
  • Flexible — fully self-paced with no fixed schedule or access deadline
  • Practically focused — built around real classroom and professional teaching challenges
  • Supported by certificate-based completion documenting 120 hours of structured TESOL training

Compliance and Regulatory Alignment

This course supports awareness of internationally recognised English language teaching frameworks, professional standards, and occupational expectations relevant to TESOL-qualified educators.

This course supports awareness of:

  • Core TESOL competency areas as recognised across international English language teaching frameworks, including language knowledge, learner management, lesson planning, and professional practice
  • The Common European Framework of Reference for Languages (CEFR) — the internationally adopted standard for describing language proficiency levels used by teachers, schools, and employers globally (Council of Europe)
  • Communicative Language Teaching (CLT) and Task-Based Language Teaching (TBLT) principles widely adopted across recognised ELT methodology frameworks
  • Professional expectations for English language teachers set by international language school networks, online teaching platforms, and educational recruitment bodies
  • Digital literacy and technology integration principles relevant to online and blended English language teaching environments
  • Professional development and continuing education expectations consistent with recognised TESOL and ELT career progression frameworks

The TESOL profession operates across a diverse global landscape of private language schools, online platforms, international schools, corporate training environments, and community education programmes. While formal regulatory requirements vary significantly by country, the professional expectation of structured 120 hour TESOL training as an entry-level credential is broadly consistent across the international English teaching employment market. This course equips learners with the knowledge and certificate documentation to meet that expectation and enter the profession with confidence.

Career opportunities

This course can support professionals working in or moving toward roles such as:

  • Online ESL / EFL Teacher or Tutor
  • English Language Teacher (Private Language School)
  • Business English Instructor
  • English Teaching Assistant
  • International English Teacher (Overseas Placement)
  • Corporate English Trainer
  • IELTS or TOEFL Preparation Tutor
  • Curriculum Developer (ELT)
  • Community English Language Facilitator
  • Freelance English Language Coach

Completing a 120 hour TESOL course from Global Safety Academy provides a structured, certificate-backed foundation that opens doors across the international English teaching profession. Whether your goal is to teach English online, secure a teaching placement abroad, build a freelance tutoring business, or transition into a long-term career in language education, the knowledge and practical skills developed across this programme directly support that ambition. Professionals looking to further develop their teaching and training capabilities may also find value in exploring course options in communication, presentation skills, and professional development available through Global Safety Academy.

Course Curriculum

15 sections120 hours (self-paced)

Frequently Asked Questions

Yes. Learners who complete all 15 modules and pass the final exam will receive a Certificate of Completion from Global Safety Academy confirming successful completion of the 120 Hour TESOL course. This certificate documents your structured TESOL training and is suitable for professional portfolios, employment applications, and online teaching platform registration.

This course is structured as a 120 hour programme. It is fully self-paced — you can study across days, weeks, or months with no fixed deadline or session schedule. The 120 hours reflects the total volume of structured learning content across all 15 modules, assessments, and study materials.

This is a Certificate of Completion from Global Safety Academy. It is not affiliated with or endorsed by any external accreditation body unless explicitly stated. Learners should verify the specific certificate requirements of their target employer, platform, or country before enrolling. Many online ESL platforms and independent language schools accept certificates from online TESOL course providers, but requirements vary by employer and jurisdiction.

No. This course is suitable for both native and non-native English speakers who want to teach English professionally. A strong working knowledge of English is required to apply the course content effectively, but native speaker status is not a prerequisite for enrolment or completion.

This course is pitched at an advanced beginner level. It assumes no prior formal teaching training or linguistics background, but is designed for learners who are serious about entering the English teaching profession and committed to completing a structured 120 hour programme.

Yes. Module 12 covers technology in second language teaching and learning, including the digital tools and platforms used in online and blended English language instruction. The course as a whole is applicable to both face-to-face and online teaching environments.

Yes. Module 10 is dedicated entirely to lesson planning — covering how to structure effective, objective-led English lessons for learners at different proficiency levels. Lesson planning is one of the most practically valuable skills for any new TESOL teacher.

A 120 hour TESOL certificate is the standard minimum requirement for many online English teaching platforms. Completing this course and earning your certificate will strengthen your application significantly. However, specific platform requirements vary — learners are advised to check the requirements of individual employers before applying.

No. This is an online TESOL training programme and Certificate of Completion. It does not constitute a formal teaching licence, government-approved teacher qualification, or academic degree. Requirements for teaching in state schools vary significantly by country and jurisdiction. This course is most directly suited to private language school, online tutoring, and international English teaching environments.

Yes. The course is accessible from desktop, laptop, tablet, and mobile devices. Desktop or laptop access is recommended for the best learning experience, particularly when working through reading-based modules and assessments.

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