However, the file reference is relative to the URI in your schema's id property, which isn't really convenient (you probably want to refer to another schema in the same project). As an example, the ...

Practical .NET Validating JSON with JSON Schema Once you've created a JSON Schema that describes a JSON document, you can use it both in Visual Studio -- to provide guidance when creating JSON ...

Otherwise if using one type of Schema.org structured data works for you, continue using it. There are however other use cases where it makes sense to use Schema.org JSON-LD and Microdata format ...