Genki I - An Integrated Course in Elementary Japanese (3rd Ed.): Using ありません instead of じゃない say, rather than write, "Mr Yamada is not student."

Question

Using ありません instead of じゃない say, rather than write, "Mr Yamada is not  student."

Alistair Lawrie · Accepted Answer

やまださんはがくせいじゃありません。(this is a more conservative speech style).

How do you say Using ありません instead of じゃない say, rather than write, "Mr Yamada is not student." in Japanese?