Academic failure
type: Concept
narrower: Grade repetition
preferred label: Академическая неуспеваемость @ru
preferred label: Fracaso escolar @es
preferred label: Échec scolaire @fr

Educational wastage
type: Concept
preferred label: Образовательные недоработки @ru
preferred label: Desperdicio escolar @es
preferred label: Déperdition scolaire @fr
related: Grade repetition

Grade repetition
type: Concept
member of: Educational evaluation
broader: Academic failure
is in scheme: UNESCO Thesaurus
preferred label: Redoublement @fr
preferred label: Повтор годового курса @ru
preferred label: Repetición @es
related: Repetition rate
related: Low achievers
related: Educational wastage

Low achievers
type: Concept
preferred label: Неуспевающие @ru
preferred label: Alumno mediocre @es
preferred label: Élève médiocre @fr
related: Grade repetition

Repetition rate
type: Concept
preferred label: Процент повторного обучения на пройденном курсе @ru
preferred label: Tasa de repetición de curso @es
preferred label: Taux de redoublement @fr
related: Grade repetition

Educational evaluation
type: ConceptGroup
label: Процессы оценки в сфере образования @ru
label: Evaluation de l'éducation @fr
label: Evaluación de la educación @es
member: Grade repetition
notation: 1.65

UNESCO Thesaurus
type: ConceptScheme
preferred label: Тезаурус ЮНЕСКО @ru
preferred label: Thésaurus de l'UNESCO @fr
preferred label: Tesauro de la UNESCO @es

Concept
type: Class

has broader
comment: Broader concepts are typically rendered as parents in a concept hierarchy (tree).
sub property of: Transitive
definition: Relates a concept to a concept that is more general in meaning.

is in scheme
definition: Relates a resource (for example a concept) to a concept scheme in which it is included.

preferred label
comment: skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.
comment: The range of skos:prefLabel is the class of RDF plain literals.
comment: A resource has no more than one value of skos:prefLabel per language tag.
sub property of: label
definition: The preferred lexical label for a resource, in a given language.

has related
comment: skos:related is disjoint with skos:broaderTransitive
sub property of: semanticRelation
definition: Relates a concept to a concept with which there is an associative semantic relationship.