Response options: SG: Missing; DE:Inapplicable; RU: Inappropriate response{Ina, Not asked in survey, Not applicable, No answer, Don´t know, No choice at all, 2, 3, 4, 5, 6, 7, 8, 9, A great deal of choice
Response options: Yes, this is mandatory, e.g. based on district or ministry policies, Yes, based on school initiative, No, Valid Skip, Not Applicable, Invalid, No Response
