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:tuitionBasis

OLF extensionProperty

What one unit of the price buys: a credit hour, a course, a term, a year, the whole program or a subscription term.

Defined by
The OLF extension. How olf relates to schema.org
Used on
olf:TuitionPriceSpecification
Expects
olf:TuitionBasisEnumeration

In the example feed

dataFeedElement[0].item.offers.priceSpecification[0].olf:tuitionBasisFull feed
{
  "olf:tuitionBasis": "olf:PerCreditHour"
}

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