* It's a very small, local school: The name might only be known within a specific community or region.
* It's a typo or abbreviation: Could you be thinking of a different name? Perhaps you could provide more context, like the location or type of school (e.g., high school, elementary school, private school).
* It's a newly established school: New schools might not yet have a strong online presence.
* It's an informal name: The name "OLH" might be an internal nickname or abbreviation used by students or staff.
To help me find the school you're looking for, please provide more information.