
Ready-made & sequential: 744 lessons, mapped to CEFR A0–C1.
Gamified & engaging: Interactive slides, characters, and rewards keep learners motivated.
All ages, all levels: Phonics to advanced grammar, preschoolers to adults.
Homework built-in: Assign follow-ups with a click.
Professional & trusted: Used by independent tutors and online academies worldwide.

100% ready-to-teach interactive slides (no prep)
Levels for every learner: Phonics → Kids → Advanced → Business
Clear alignment: profiency-linked to CEFR and Cambridge YLE
Works with any video platform: share your screen and teach








Start free trial – Create your account in seconds.
Pick your bundle – Access 744 lessons across 8 CEFR levels.
Teach stress-free – Screenshare interactive lessons directly with students over your favourite classroom.


No. Log in via your browser and screen-share in any virtual classroom.
From preschool phonics to adult Business English - CEFR Pre-A1 through C1 with Cambridge YLE mapping for younger learners.
Yes. no contracts, cancel in a click.
Yes - start the 7-day free trial or preview a 60-second lesson clip.
Yes - downloadable lesson previews and homework are included for every unit.
Yes - a single teacher license lets you teach as many students as you like!
In minutes. Pick a level, unit and lesson, open the slide deck, share your screen, and teach.
Providing purpose-built, step-by-step Crystal Clear ESL curricula by subscription to online English as a Second Language teachers.
Southampton, United Kingdom