Denise Esprit School

In the Netherlands, high school education is a lot similar to universities. 
Here, the high school is for students that are more than 18 years old.
Secondary school lasts until 18 years of age. 
So, in fact, what Denise proposes as secondary school is higher education.

https://denise.espritscholen.nl/en/home

https://denise.espritscholen.nl/fileadmin/user_upload/FAQ_about_IB_%40_DENISE.pdf
* this version is outdated, Denise now offers Mathematics HL (High Level) that includes the subject "Analitics and Approaches" *

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