You should use arrayOfModelsFromDictionaries: on your model class like so:
NSArray* models = [YourModelClass arrayOfModelsFromDictionaries: objects];
This will go over "objects" and convert each dictionary to a model and you get the result in models. If any item in objects fail to convert to model "models" will be nil.
Here's the class docs for this method: http://jsonmodel.com/docs/Classes/JSONModel.html#//api/name/arrayOfModelsFromDictionaries: