💡 Our vision

Cambridge preparation, well structured

Preptiviti was built to turn practice into a clear, measurable process: consistent criteria, efficient correction and a digital experience aligned with the exam.

This means students practise regularly, understand the reasoning behind their mistakes, and reach the exam with confidence and control of the format. Content is developed by Cambridge preparation specialists, and the team includes professionals with experience as accredited examiners.

How Preptiviti was born

For years we saw the same thing time and again: students with a good level who weren't achieving their best results for one very specific reason. Too little structured practice in a digital environment aligned with the exam — which is increasingly the norm.

01 🔍

The problem

Quality practice options were limited, correction took hours and feedback arrived when it was already too late to adjust.

02 ⏱️

The consequence

In many schools, planning ended up being shaped by the time available for correction — not by what the student actually needed to practise.

03 💡

The solution

So we designed the environment we would have wanted as teachers and academic directors. This isn't a repository of digitised exams. It's a structured preparation system.

What Preptiviti brings

🎯

Accurate simulations

Digital mock exams aligned with the official exam format.

⚖️

Structured criteria

Structured application of assessment criteria and consistent marking in Writing and Speaking.

⚡

Instant feedback

Immediate, detailed feedback on objective skills, with comparable results by student, group and level.

🎯 Our mission

So that anyone can practise Cambridge as much as they need, without economic or time barriers.

Academic and technical team

Over 100 years of combined experience in Cambridge exam preparation.

Leadership

Tess Winiarski

Co-founder · Academic Director

Defines the academic vision and quality standards at Preptiviti. Her mission: bring the same structured, classroom-tested Cambridge preparation that works inside academies to every student who needs it — without diluting rigour.

Luis Alberto López Jauregui

Co-founder · COO

Builds the operational and technical backbone of Preptiviti. His mission: turn the complexity of Cambridge preparation into clear systems that scale — so students and teachers spend their energy on progress, not on workload.

Academic Coordination