It's a record of academic achievements gained by a pupil or a student at the end of a course of study. It can be requested as information which substantiates the certificate of the level of qualification received. It's a list of the subjects studied and the results of the points allocated from examinations and completed studies.
https://teaching.shu.ac.uk/ds/rdp/careers/issues/records.htm
"An academic transcript from a university can also be referred to as an academic record, a diploma supplement, a statement of learning or a record of achievement.
An academic transcript is from a professional body. It lists all the units completed, grades achieved and confirmations of any exemptions."
https://www.open.ac.uk/study/credit-transfer/faqs/what-acade...
Esp:
Es un documento con una lista de las asignaturas estudiadas con las notas obtenidas de los exámenes y los estudiios completados. Se llama también un expediente académico. La págiina que tiene los detalles de los logros y las notas recibidas puede ser solicitada si falta para explicar el certificado con el nivel de cualificación obtenida del centro académico.