Explore more teaching strategies and classroom activities in our LexFizz Learning Blog.
Teaching English is one of the most rewarding careers in education — and one of the most resource-intensive. Building a varied, engaging lesson each week demands dozens of activities, practice materials, and explanations across different proficiency levels. The good news: in 2026, an enormous range of high-quality ESL resources is available for free online.
This guide organises the best free ESL resources into clear categories so you can find exactly what you need, whether you are planning a beginner vocabulary lesson, an advanced reading task, or a fun end-of-week game for your class.
Why Free ESL Resources Matter
Budget constraints are a reality in most educational settings. Schools and language academies rarely have unlimited funds for commercial platforms, and independent tutors working online often build their entire resource library from scratch. Even when budgets exist, the sheer variety of learner needs — age, level, learning style, lesson format — means that no single paid platform covers every situation.
Free resources also allow teachers to experiment more readily. When a worksheet costs nothing, you are more willing to try something new with an unfamiliar class. When a game platform is always available without a subscription wall, your students can use it for homework on their own devices at any time. That flexibility is difficult to replicate with paid tools.
Finally, variety itself is pedagogically valuable. Research on second language acquisition consistently shows that encountering language in multiple contexts and formats accelerates retention. Mixing interactive digital games, printed worksheets, authentic audio content, and structured grammar explanations produces better outcomes than relying on a single textbook or platform.
Category 1: Interactive Game Platforms
LexFizz — 30 Free ESL Exercises
LexFizz offers 30 completely free interactive English exercises covering vocabulary, grammar, listening, and speaking practice. No account is required, no ads interrupt the learner, and there are no session time limits. Exercise types include Flash Cards, Hangman, Crossword, Word Search, Balloon Pop, Anagram, Quiz, Drag and Drop, Match Up, and many more.
Every exercise supports custom vocabulary sets, so you can tailor the content to your current unit. The site works on any device — desktop, tablet, or phone — and functions offline after the first page load, making it useful in classrooms with unreliable internet.
Project LexFizz exercises on a classroom screen for whole-class warm-up activities, or share links with students as independent homework practice. No sign-up means even the most tech-reluctant students can use it immediately.
Category 2: Printable Worksheet Resources
ISL Collective, BusyTeacher, and ESL Printables
ISL Collective (isl-collective.com) hosts over 100,000 teacher-created worksheets, PowerPoints, and video quizzes. Resources are searchable by level, skill, grammar point, and topic. The free tier allows unlimited downloads with a registered account. Community ratings and previews help you judge quality before downloading.
BusyTeacher.org provides more than 80,000 free printable worksheets in PDF format. The site is particularly strong for general English classes, with large banks of grammar drills, conversation question cards, and reading comprehension tasks. Resources are well-categorised by grammar topic, proficiency, and skill area.
ESL Printables (eslprintables.com) operates on a point exchange system: download worksheets by earning points when other teachers download yours. For teachers who also create materials, this is an excellent way to access a large resource library at no cost. The site is especially useful for grammar worksheets and vocabulary gap-fills.
Category 3: Listening and Video Resources
BBC Learning English, VOA Learning English, TED-Ed
BBC Learning English (bbc.co.uk/learningenglish) is one of the most trusted free resources available. It offers graded audio and video content from A2 to C2, including The English We Speak (idiomatic language), 6 Minute English (discussion-based listening), Grammar in Focus, and Pronunciation videos. New content is published several times per week.
VOA Learning English (learningenglish.voanews.com) publishes authentic American English news content in a simplified format, with a dedicated slow-speed audio option. It covers current events, science, technology, and culture. The slow audio feature makes it suitable for B1 and above, while transcripts enable class reading activities alongside listening.
TED-Ed (ed.ted.com) and TED Talks (ted.com) provide thousands of authentic talks on every imaginable topic. TED-Ed builds complete lessons around short animated videos, with comprehension questions and discussion prompts already included. For B2 and above, authentic TED Talks with English subtitles are an excellent source of real-world listening practice.
Pair a BBC 6 Minute English episode with a LexFizz Audio Dictation exercise built from key vocabulary in the recording. Students listen once for gist, then consolidate vocabulary through the game.
Category 4: Grammar Reference Tools
Purdue OWL, British Council, Cambridge Dictionary
Purdue OWL (owl.purdue.edu) is the leading free online grammar reference for academic English. It covers sentence structure, punctuation, citation styles, and academic writing conventions in exceptional depth. While originally designed for university students, it is equally valuable for C1–C2 ESL learners and teachers who need definitive grammar explanations.
British Council LearnEnglish (learnenglish.britishcouncil.org) provides grammar explanations written specifically for ESL learners, graded by level. Each topic comes with a clear explanation, example sentences, and an interactive practice exercise. The grammar bank is one of the most comprehensive free references available for A1–B2 learners.
Cambridge Dictionary (dictionary.cambridge.org) combines an authoritative English dictionary with a grammar reference and pronunciation guide. The grammar section explains over 200 grammar points with corpus-based examples. Searching for a word also shows its frequency, typical collocations, and usage notes — invaluable for vocabulary-in-context teaching.
Category 5: Vocabulary Resources
Oxford Learner’s, Merriam-Webster, Vocabulary.com
Oxford Learner’s Dictionaries (oxfordlearnersdictionaries.com) is free online and designed specifically for non-native speakers. Definitions use controlled vocabulary, example sentences reflect real usage, and each entry includes pronunciation audio in both British and American English. Word family information and Oxford 3000 / Oxford 5000 frequency lists help teachers prioritise high-value vocabulary.
Merriam-Webster (merriam-webster.com) is the standard American English reference dictionary and is entirely free online. It is particularly useful for North American English courses, idiom explanations, and etymology. The Word of the Day feature makes a useful classroom warm-up activity.
Vocabulary.com offers adaptive vocabulary quizzes built around spaced repetition. Students can practise word lists independently and the platform tracks their mastery over time. Teachers can create free class word lists, which students then practise through the platform’s game-like interface. It works especially well as supplementary independent study.
Category 6: Lesson Planning Tools
Lesson Plan Templates and Curriculum Maps
British Council TeachingEnglish (teachingenglish.org.uk) is the primary resource for lesson plan templates and professional development for ESL teachers. It hosts hundreds of ready-to-use lesson plans for all levels and age groups, plus articles on methodology, activity types, and classroom management. All content is free with a registered account.
TESOL International Association (tesol.org) provides free lesson plan frameworks, webinars, and resource collections as part of its public access materials. The TESOL website is especially strong on content-based instruction, literacy development, and working with adult learners.
Edutopia (edutopia.org) covers broader teaching methodology but includes a large section on language learning, project-based approaches, and using technology in the ESL classroom. It is a useful source of ideas for lesson structure and activity design.
How to Embed LexFizz Exercises in Your School Website or LMS
LexFizz exercises can be embedded directly into any school website, learning management system (LMS), or Google Classroom assignment using a standard HTML iframe. To activate embed mode, add ?embed=1 to the end of any exercise URL.
For example, to embed the Flash Cards exercise:
The embed mode removes the navigation header and footer, presenting a clean exercise interface that fits naturally into your course page. Students interact with the exercise directly within your LMS without being taken to an external site. This works with Moodle, Canvas, Schoology, Google Sites, and any platform that supports iframe embedding.
In Google Classroom, use the “Add Material” option and paste the exercise URL. Students click through to the exercise and can complete it on any device, including mobile phones.
Creating Custom Vocabulary Sets with Flash Cards URL Loader
The Flash Cards exercise on LexFizz supports a URL-based data loader that lets you create shareable custom vocabulary decks without any account or server. The process works by encoding your word list as a BASE64 JSON string and appending it to the exercise URL.
Your vocabulary data takes the form of a JSON array:
Encode this array as a BASE64 string using any online encoder, then append it to the URL:
Share this URL with your students and they will see your exact vocabulary deck. Because the data is in the URL itself, there is no database, no account, and nothing to configure on the server. The same URL approach works for Speaking Cards and several other exercise types, giving you a whole vocabulary practice suite from a single word list.
Building a Lesson with Free Resources: Sample Lesson Plan Outline
Here is a practical 60-minute B1 vocabulary lesson outline using only free resources:
| Phase | Duration | Activity | Resource |
|---|---|---|---|
| Warmer | 5 min | Word of the Day discussion: guess the meaning from context | Merriam-Webster Word of the Day |
| Presentation | 10 min | Introduce 10 target words with definitions and example sentences | Oxford Learner’s Dictionaries |
| Controlled practice | 10 min | Gap-fill worksheet targeting new vocabulary | ISL Collective / BusyTeacher |
| Listening task | 12 min | BBC 6 Minute English episode featuring target lexis; comprehension questions | BBC Learning English |
| Game activity | 10 min | Whole-class Flash Cards or Hangman using custom vocabulary deck | LexFizz (/exercises/flash-cards/) |
| Speaking task | 8 min | Pair discussion using target words in context | LexFizz (/exercises/speaking-cards/) |
| Wrap-up & homework | 5 min | Share Flash Cards URL for independent review at home | LexFizz custom URL |
This outline requires no paid tools and produces a full, varied lesson that covers listening, vocabulary, reading, and speaking skills. All materials can be prepared in under 30 minutes once you are familiar with the resources.