Many original Japanese Gakko no Monogatari games have dedicated fan communities that provide English translation patches for free.
Because this is an indie title, you won't find it on Steam (yet). Here is the safe way to get it: gakko no monogatari school story game free
Write your own anime story! Solve mysteries, find romance, and survive high school life in this free simulation game. Many original Japanese Gakko no Monogatari games have
If you are looking for free school-themed stories or games, these titles are often mentioned alongside Monogatari projects: Japanese School Life gakko no monogatari school story game free