OOP means education support staff
There are many professions that fall under OOP, and therefore there is also a professional group/professional association OOP with its own website to provide more information about this. If you work in education (Klassenassistent, Leraarondersteuner, supervisor, etc.) then you fall under OOP. There is often a discussion about the teacher's profession, but the support professions and functions tend to be a child.
OOP means Object Oriented Programming
Another meaning of OOP is the English abbreviation for Objectgeorià «Oriented programming (also called OO programming). With OO programming one is trying to create a system that is made up of objects. In this way it is easy to reuse pieces of code with a slightly different effect, by giving specific parameters.