Adaraba, they are getting precious chinuch in how to relate to chol subjects. They get to understand that only loser goyim can speak English and math & science are worthless and incomprehensible (admittedly, you can learn same lesson in many public schools also). As one Rav who happen to teach history for one year instead of limudei kodesh, introduced himself when we met (again): “Hi, I am a goyishe teacher” – in the words of his students, despite his kapota and untrimmed beard.
