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

schema:dateModified

schema.orgProperty

The date on which the CreativeWork was most recently modified or when the item's entry was modified within a DataFeed.

Defined by
schema.org, checked against release 30.1. Read it on schema.org
Status at schema.org
core
Used on in a feed
DataFeedItem
Expects
Date, DateTime
How a feed uses it
When each entry last changed

In the example feed

dateModifiedFull feed
{
  "dateModified": "2026-10-01"
}

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