* The name is slightly different: There might be a very similar name, perhaps with a slightly altered spelling or including a town/village name.
* It's a very small or recently closed school: Smaller schools might not have a strong online presence.
* The information is incorrect: The name itself might be a mistake.
To find the information you need, you'll have to provide more details, such as the town or region where the school is (or was) located.