Osamu Dazai's book titled "Josei Gakkou (Highschool Girl)" in "Tsuki ga Kirei"
There's no work called Josei Gakkou (Highschool Girl) by Osamu Dazai, but there's 女生徒 (Joseito, Schoolgirl).

The English version is titled Schoolgirl, translated by Allison Markin Powell and published by One Peace Books.