This is the 14714th most frequent German word.
nichtpädagogischen
"Nichtpädagogischen" means "non-educational" or "not pedagogical."
In this sentence, 'nichtpädagogisches' is an adjective that describes 'Personal' (staff). It indicates that the staff is not involved in teaching or education, but might be in administration or caretaking roles.
Die Schule beschäftigt auch nichtpädagogisches Personal.
The school also employs non-educational staff.
In this use, 'nichtpädagogische' modifies 'Bücher' (books), referring to material not intended for educational purposes, such as novels or popular science books.
Er hat viele nichtpädagogische Bücher gelesen.
He has read many non-educational books.
Here, 'nichtpädagogische' qualifies 'Aspekte' (aspects), specifying elements of the school that are not related to education, such as structural or financial aspects.