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Case studies

Over 1,000 high school students: Les Écoles Progress rebuilds Pascal into an AI maths teacher that adapts to each student

The AI Sisters Lab rebuilt Pascal’s assistants into one “Maths teacher” agent: lessons, quizzes and corrections, for over 1,000 high school students.

Published on
12/11/2026
Les Écoles Progress (AI Sisters Lab)Les Écoles Progress (AI Sisters Lab)
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Les Écoles Progress created Pascal, a learning platform focused on mathematics. Pascal had piled up several hundred AI assistants with largely duplicated instructions: heavy maintenance and declining performance.

With the PASCALE project, launched on 13 November 2024, the AI Sisters Lab pooled those instructions and built a “Maths teacher” agent that follows the student’s conversation. Pascal is now used by over 1,000 high school students.

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Hundreds of assistants to maintain

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Pascal relied on several hundred AI assistants, whose instructions were largely repeated from one assistant to the next.

The brief for AI Sisters: simplify without losing teaching quality, with a starting target of cutting duplicated instructions by more than 70%.

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Heavy maintenance

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The same instructions, copied across hundreds of assistants, made every change costly.

Declining performance

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Pascal’s performance was getting worse.

One student, one pace

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The maths teacher had to follow each student through their conversation.

What if it were you?

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The PASCALE project: one maths teacher

Launched on 13 November 2024, the project was shared between the AI Sisters Lab and the Progress teams.

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01

Pooling the instructions

The AI Sisters Lab merged the assistants’ duplicated instructions.

02

A dynamic “Maths teacher” agent

It follows the conversation, teaches, offers quizzes and corrects.

03

On the Progress side

The Progress teams rebuilt the interface, the backend and technical monitoring.

04

A completed project

The PASCALE project has been delivered. Pascal is used by over 1,000 high school students.

Les Écoles Progress (AI Sisters Lab)
What if it were you?

Building an education product with AI?
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What Pascal’s Maths teacher does

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One agent that adapts to each student’s conversation.

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Teaching

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→ Explains the concept as the conversation goes

→ Keeps track of what the student has already covered in the exchange

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Offering quizzes

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→ Questions to check what has been learned

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Correcting

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→ Corrects the student’s answers

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Results of the PASCALE project

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The project is complete. The number of users is reported by Les Écoles Progress.

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1,000+

high school students use Pascal

1

“Maths teacher” agent instead of several hundred assistants

-70%

duplicated instructions: the starting target

What if it were you?

Consulting, POC, production.
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Client
Les Écoles Progress
Sector
Education & Institutions
About the client

Les Écoles Progress is a network of schools, from middle school to higher education. Pascal is their learning platform, focused on mathematics.

Teams trained
Pascal platform teams
Format
AI agent overhaul by the AI Sisters Lab (PASCALE project)
Participants
Published on
12/11/2026
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