都立 とりつ高等 こうとう学校 がっこうではありません
toritsukōto uga' kōdewa arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 都立高等学校

1. Is not a prefectural high school.; Is not a public high school (run by the prefecture).

Negative
Polite
Formal Register