都立 とりつ高等 こうとう学校 がっこうでしょう
toritsukōtōgakkōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 都立高等学校

1. Probably a prefectural high school.; Likely a public high school.

Polite
Presumptive
Conjecture