Grade Retention and Student Achievement Outcomes

Grade retention, the practice of requiring students who do not meet established academic thresholds to repeat a school year, remains a widespread yet contested intervention in primary and secondary education systems worldwide. Proponents argue that an additional year offers opportunities to consolidate foundational skills, while critics point to its association with social stigma, diminished motivation and long-term disengagement. Empirical evidence reveals substantial heterogeneity in effects, with outcomes shaped by contextual factors such as the age at retention, school resources, socioeconomic background and the availability of complementary support measures. Large-scale assessments have repeatedly shown that students held back tend to exhibit lower performance in core domains—mathematics, reading and science—than their promoted peers, yet the magnitude and persistence of these differences vary across national systems. Policymakers and practitioners are thus urged to weigh both academic and psychosocial consequences when considering retention policies, and to explore alternative remedial strategies such as targeted tutoring, flexible curricula and social–emotional support.

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Grade Retention and Student Achievement Outcomes publication trend

The graph below shows the total number of articles in grade retention and student achievement outcomes across all publications each year (not limited to Nature Index journals).

Technical terms

Grade retention: The practice of requiring a student to repeat a grade level due to failure to meet academic or developmental benchmarks.

Propensity score matching: A statistical technique that pairs retained and promoted students on the basis of similar background characteristics to approximate causal effects of retention.

Academic self-efficacy: A student’s belief in their capacity to succeed in academic tasks and subjects, which influences motivation and performance.

Self-concept: An individual’s perception of their own abilities and worth within the academic domain, often shaped by past achievement and peer comparison.

Socioeconomic status (SES): A composite measure of a student’s family income, parental education and occupation, which is strongly associated with educational opportunities and outcomes.

References

1. The effect of grade retention on performance in Spanish students: a propensity score matching approach. Large-scale Assessments in Education (2025).
2. Grade Retention in Primary Education Is Associated with Quarter of Birth and Socioeconomic Status. PLOS ONE (2016).
3. “To be or not to be Retained … That’s the Question!” Retention, Self-esteem, Self-concept, Achievement Goals, and Grades. Frontiers in Psychology (2016).