# Birth date effect (Academic achievement) { "id": "S2009007792", "title": "Birth date effect (Academic achievement)", "url": "/topics/S2009007792", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "ebc0943414fe7160", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "14718964258105090656", "address_version": "morton4x16-v1", "coordinates": [ 0, 478, 64538, 49152 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } This heading is used for works that discuss the relationship between academic achievement and the age and birthdate at which children start school. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2009007792 No owner-reviewed local answer yet.