Here is the painful truth: School Days L×H was never officially localized into English. The PC version received a controversial official English release in 2012 (via JAST USA), but it was broken for years. The PSP port remains 100% Japanese text.
JAST USA and Sekai Project only officially localized the PC versions ( HQ , Shiny Days , and the upcoming Remastered ). school days psp iso english patch exclusive