Teachers spend nearly 20% of their time grading papers – an essential but exhausting task that leaves little room for individualized support. Feedback often comes too late, targeted remediation remains a rarely achievable ideal, yet every assignment contains a wealth of information on the real needs of students. Ed.ai offers AI-augmented grading that reduces grading time by two to three times, while producing detailed and justified feedback. Each graded assignment becomes an instant diagnosis : teachers immediately visualize strengths and weaknesses, then generate personalized remediation activities in minutes, personalized, built from students' actual errors. Less mental load, more active pedagogy – and enhanced equity through fast, precise, and differentiated feedback.
The next step
After a remarkable first back-to-school season in 2025 – 100 institutions and 35,000 students deployed in just nine months of existence – Ed.ai aims for 300 institutions in 2026, its first sales in the United States and an entry into the segment of higher education and university. These ambitions demonstrate the scalability of a solution already proven in the field, in a market valued at nearly $2 billion.
Why 21st by CentraleSupélec?
Accelerating in EdTech means navigating the intersection of pedagogy, technology, and business. By joining 21st by CentraleSupélec, Ed.ai gains access to a rich entrepreneurial ecosystem at the heart of Station F, benefits fromhigh-level strategic support , and opens the doors to cutting-edge laboratories at CentraleSupélec, as well as to the CentraleSupélec Foundation - valuable assets for a startup aiming to redefine academic assessment across Europe and America.
Focus on the co-founders
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