The world’s leading AI Teaching Assistant, empowering teachers in schools, universities, and global corporations. Driving improved outcomes for both educators and students at scale.
4M+
Active students
32%
Results increase
24M+
People taught
95%
Engagement rate
25K
Teachers
Powering the next generation of education.
We’re building the future of education — making learning more engaging, personal, and impactful. By blending proven teaching methods with advanced technology, we take repetitive tasks off teachers’ plates so they can focus on what truly matters: their students.
Trusted by 3,000+ top companies and governments.
Award-winning technology that supercharges both teachers and students.
For high schools
We supercharge millions of public and private high-school students and their teachers with our immersive AI technology.
For universities
We help university-level students build skills like English on their own schedule, preparing them for life beyond the classroom.
For enterprises
A comprehensive workplace training solution featuring our AI technology and advanced back-end support.
Free English testing
Our EF SET test is a free, high-quality online test used by major companies and institutions.
Proven to improve educational outcomes at scale.
Efekta delivers real learning outcomes, not just engagement. Our technology has been proven to significantly improve learning outcomes, even when measured across thousands of teachers and millions of students.
In the Brazilian state of Paraná, 750,000 public school students showed a 32% improvement on state English standardized tests after just two years of using the Efekta curriculum and platform.
The assistance every teacher deserves.
Our AI teaching assistant, Addi, works alongside teachers and gives every student a truly personal learning journey — answering questions, recommending practice, and keeping them on the fastest path to success. That frees teachers to do what only they can do: inspire, motivate, and give their time to the students who need it most.
Best in class.
Addi is already being used by 25,000 teachers and 4 million students — by far the largest AI deployment in education.
Teach skills, not just knowledge.
Our AI-powered curriculum delivers a structured, hands-on learning experience that goes beyond memorization. Students build practical abilities across subjects — from mastering English communication to tackling STEM challenges that mirror the real world. They might role-play conversations with AI characters, solve interactive math and science problems, or receive instant feedback on writing tasks. They don’t just learn — they learn to apply their skills with confidence.
Reduce admin. See progress.
Classroom AI gives teachers a clear picture of every learner’s journey — who’s thriving, who needs extra support, and which topics the whole class could revisit. Routine tasks like grading and corrections are automated, so students receive instant feedback while teachers get hours of their lives back to focus on what matters most.
Actionable insights.
With Addi, every student finishes a lesson knowing exactly how they did. After each session, Addi provides personalized, actionable feedback — highlighting what the student did well, where they made progress, and the specific areas they can focus on next. Instead of generic comments, students get clear guidance they can use immediately to improve. This makes learning more motivating because they see their strengths recognized and always know the next step forward.
Learn in HyperClass with Addi.
Addi now teaches inside our award-winning HyperClass — an immersive virtual classroom that brings learning to life. Blending live interaction with realistic scenarios and simulations, HyperClass keeps students actively involved. With Addi guiding each step, learners get instant feedback, recognition, and clear next steps — making learning more engaging, personal, and connected to the real world.
Keep your learners’ data and privacy safe.
Our systems are designed with data minimization and user protection at their core, upholding the highest standards of security and privacy. Schools can be confident that their learners’ information is protected — and remains entirely their own. Addi also follows strict child-safety guidelines, ensuring students are never exposed to inappropriate content or harmful interactions.
What our clients and partners say.
Award-winning learning innovation.
We have transformed online language learning for good. Our passion for innovation and dedication to quality in education has earned us global recognition and awards for impact, quality, and innovation.
Fast Company Award
2025 winner of the Fast Company Next Big Things In Tech in the 'International' category.
QS Awards
2025 Reimagine Awards shortlist for AI in education.
EdTechX Awards
2025 winner for the EdTechX Award for driving meaningful innovation in education and language learning.
App Store Awards
Cultural Impact Winner of Apple’s 2024 App Store Awards.
Learning Technologies
2023 Gold award for the best project in the public sector for upskilling 10K+ learners in Rwanda’s tourism and hospitality industry.
ELTons
Winners of the British Council’s prestigious 2022 ELTons Digital Innovation in Language Learning Award.
