PrototypeOpen Learning Feed is a concept in development. The sample API and validator work, but no school publishes a feed yet, and examples use a fictional school.
Open Learning Feed

olf:InstitutionPublished

OLF extensionEnumeration member

A value of olf:SourceTypeEnumeration. Kinds of source a value can come from.

Defined by
The OLF extension. How olf relates to schema.org
Value of
olf:SourceTypeEnumeration

In the example feed

dataFeedElement[0].item.offers.priceSpecification[0].olf:provenance.olf:sourceTypeFull feed
{
  "olf:sourceType": "olf:InstitutionPublished"
}

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