Evidence highlights
Explore the Product Efficacy Report to understand more
21 percentage points
Margin by which Sistema COC students outperformed matched public school students in languages
17 percentage points
Margin by which Sistema COC students outperformed matched public school students in natural science
No significant differences
in exam performance between Sistema COC students and non-COC private school students
Researching Sistema COC
Our findings are based on a quasi-experimental study with 248 students: 163 in private high schools using Sistema COC, 48 in private high schools not using Sistema COC, and 37 in public high schools.
Using students’ scores on the 2018 SimENEM exam, the study examined how Sistema COC students’ achievement compared to similar non-COC students.
PwC provided robust independent assurance over the integrity of the efficacy statements in the Sistema COC Product Efficacy Report.
Product Efficacy Report
A summary of relevant research, with selected statements independently assured by PwC
Sistema COC home
Discover how Sistema COC works and register to join
Technical Report
Details of a single piece of research