This is the 9524th most frequent German word.
mittelschulen
"Mittelschulen" refers to "secondary schools" or "middle schools" in English, depending on the educational system.
Here, 'Mittelschulen' refers to general institutions in the educational system that cater to middle-level schooling.
Die Mittelschulen bereiten viele Schüler auf berufliche Karrieren vor.
The middle schools prepare many students for vocational careers.
In this sentence, 'Mittelschulen' points to regional nomenclature of middle-level educational institutions.
In einigen Bundesländern heißen Mittelschulen auch Realschulen.
In some federal states, middle schools are also called Realschulen.
Here, 'Mittelschulen' describes specific schools that are options for further study and choice.