Universal school-based SEL programs improve students' behaviour, with a small and, in recent randomised trials, negligible effect on academic achievement¶

Claim · All claims
Evidence · 3 studies · 3 quant-synthesis r? · q3–q4 · i0–i1
Currency · newest study 2025 · 1 of 3 entries checked against their sources (automated) · not reviewed by a person

School-based social-emotional learning (SEL) programs that explicitly teach self-regulation, social skills, and responsible decision-making improve students' behavioral outcomes. Their effect on academic achievement is positive but small in the 2011 synthesis (ES 0.27) and negligible in a 2025 synthesis restricted to rigorous designs (g = 0.08; 0.063 in randomised trials).

Subclaims¶

q4 i1 Across 213 universal school-based SEL programs (K–12), participants outperformed controls on conduct problems, positive social behaviour and academic performance at post-test, with small effects (ES 0.22–0.27), and academic gains were significant only when school staff delivered the program. → Durlak et al. 2011

q4 i? A contemporary meta-analysis of 424 studies (2008–2020, 53 countries) reports significantly improved behaviours, school functioning and academic achievement for students in universal school-based SEL interventions; effect sizes were not read here (abstract only). → Cipriano et al. 2023

q3 i0 Restricted to RCTs and rigorous quasi-experiments reporting quantitative achievement outcomes (2011–2021), SEL programs' effect on overall academic achievement is positive but negligible (g = 0.08), and smaller still in randomised studies (g = 0.063), which qualifies the size of the achievement claim. → Zhao and Sang 2025

Evidence¶

Durlak et al. 2011¶

Durlak, J. A., Weissberg, R. P., Dymnicki, A. B., Taylor, R. D., & Schellinger, K. B. (2011). The Impact of Enhancing Students' Social and Emotional Learning: A Meta-Analysis of School-Based Universal Interventions. Child Development, 82(1), 405–432. doi:10.1111/j.1467-8624.2010.01564.x

q4 · meta-analysis · i1 · small effect, ES=0.27 academic performance, ES=0.22 conduct problems · n=213 studies (270,034 students) · quant-synthesis · r?

A meta-analysis of 213 universal, school-based social and emotional learning programs for kindergarten through high school students, compared with control groups at post-test. All six outcome categories improved significantly: SEL skills (ES 0.57), attitudes (0.23), positive social behaviour (0.24), conduct problems (0.22), emotional distress (0.24) and academic performance (0.27, from 35 interventions), which the authors translate into an 11-percentile-point gain in achievement. Academic performance improved significantly only when school staff ran the program (classroom teacher delivery ES 0.34; non-school personnel ES 0.12, not significant). Effects were moderated by use of four recommended skill-development practices (SAFE) and by reported implementation problems; the 33 studies with follow-up at least six months later still showed significant effects, including academic performance (ES 0.32, k = 8).

Cipriano et al. 2023¶

Cipriano, C., Strambler, M. J., Naples, L. H., Ha, C., Kirk, M., Wood, M., Sehgal, K., Zieher, A. K., Eveleigh, A., McCarthy, M., Funaro, M., Ponnock, A., Chow, J. C., & Durlak, J. (2023). The state of evidence for social and emotional learning: A contemporary meta-analysis of universal school-based SEL interventions. Child Development, 94(5), 1181–1204. doi:10.1111/cdev.13968

q4 · systematic review and meta-analysis · i? · effect sizes not in the abstract read · n=424 studies (575,361 students) · quant-synthesis · r?

A systematic review and meta-analysis of universal school-based SEL interventions for kindergarten to 12th-grade students, covering studies from 2008 through 2020: 424 studies from 53 countries, 252 distinct interventions and 575,361 students. Compared with control conditions, participating students showed significantly improved skills, attitudes, behaviours, school climate and safety, peer relationships, school functioning and academic achievement. Substantial heterogeneity in program content, features, context and implementation quality moderated outcomes. Only the abstract was read, so no pooled effect size is recorded here.

Zhao and Sang 2025¶

Zhao, Y., & Sang, B. (2025). The Effect of Social–Emotional Learning Programs on Elementary and Middle School Students' Academic Achievement: A Meta-Analytic Review. Behavioral Sciences, 15(11), 1527. doi:10.3390/bs15111527

q3 · meta-analysis · i0 · negligible effect, g=0.08 · n=22 studies (24,510 students) · quant-synthesis · r?

A meta-analysis of 22 studies (17 universal, 5 targeted programs; 2011–2021) of SEL programs for elementary and middle school students, limited to randomised or rigorous quasi-experimental designs with quantitative achievement outcomes. SEL students showed higher overall academic achievement than controls, but the effect was very small (g = 0.08, 95% CI 0.05 to 0.12), similar across English language arts, mathematics and science, and larger for GPA (g = 0.33, from 6 effect sizes). Quasi-experimental studies showed significantly larger effects (g = 0.27, k = 12) than randomised trials (g = 0.063, k = 64), and 20 of the 22 studies were in elementary schools, so middle-school conclusions are preliminary. This does not contradict the claim's direction, but it indicates the academic benefit in rigorous recent trials is much smaller than the Durlak et al. (2011) estimate.

Studies bearing on this claim¶

Do SEL programmes also improve conduct, distress and academic achievement, and by how much? This table gathers the studies behind this claim and the 5 narrower claims that bear on it: 8 distinct studies (4 review, 3 quant-synthesis, 1 design), q2–q4, 3 of 8 with an effect size coded. One row per study, codes as each entry records them; no effect is averaged and no verdict is drawn. Built by scripts/synthesize_claim.py from eval/synthesis/; a row that looks wrong is fixed on the claim it comes from.

Discussion¶

Scope and mechanism. The claim covers universal, school-based SEL curricula (e.g., sequenced lessons teaching emotion regulation, empathy, and interpersonal problem-solving), not one-off workshops or purely punitive behavior-management systems. The proposed mechanism is that improved self-regulation and classroom climate free attentional and motivational resources for learning — connecting to Self-regulated learning and Belonging. A second, complementary pathway runs through classroom climate: students who trust peers and teachers participate more, persist longer, and are less absent, which is why SEL is often framed as a precondition for collaborative learning rather than a competitor to academic instruction.

Moderators to watch. Effects likely depend on implementation fidelity, dosage (sustained multi-year programs vs. brief units), and developmental fit. Programs delivered by classroom teachers with ongoing practice and integration into academic content are generally expected to outperform pull-out, scripted-only delivery. Cultural responsiveness of program materials is an open question for generalization across contexts. Learner age is another plausible moderator: self-regulation instruction may show its largest returns in early grades, when regulatory habits are still forming, while adolescent programs may need to be framed as autonomy-respecting rather than corrective to avoid reactance — consistent with Autonomy supports intrinsic motivation.

Boundary conditions. SEL is not a substitute for explicit academic instruction; programs that consume substantial instructional time without integration may show weaker academic effects. Poorly implemented SEL can also be perceived as inauthentic, undermining the classroom climate it aims to build. A related risk is "curricular dilution": if SEL time displaces cognitive load management-informed academic instruction without producing compensating gains in engagement, net achievement effects can approach zero.

Open questions. How durable are behavioral gains after programs end? Do academic effects operate directly or indirectly through improved behavior and engagement? Durlak et al. (2011) report significant effects in 33 studies with follow-up of at least six months (academic performance ES 0.32, k = 8); no mediation study is recorded here.

Evidence status. Three meta-analyses are recorded: Durlak et al. (2011; 213 programs, small effects on behaviour and achievement), Cipriano et al. (2023; 424 studies, significant improvements, read from the abstract only) and Zhao & Sang (2025; 22 rigorous studies, negligible achievement effect). No single primary trial is recorded on the page.

Merged from “Social Emotional Learning Improves Achievement” (social-emotional-learning-improves-achievement): Mechanism. Plausible pathways from SEL to achievement include improved classroom behavior and engagement, better emotion regulation freeing working-memory resources for learning (see Cognitive Load Theory), and improved student–teacher and peer relationships that support participation (see Belonging). SEL programs may also raise achievement indirectly by reducing time lost to disruption and by increasing students' willingness to attempt and persist at challenging academic tasks.

Moderators and boundary conditions. Effects are generally larger when programs are implemented well (SAFE features: sequenced, active, focused, explicit), when classroom teachers rather than external providers deliver them, and when programs are integrated with academic content rather than run as add-ons. Effects tend to be smaller in studies with weaker designs and may fade without sustained implementation. SEL is not a substitute for quality instruction; it operates as a complement to, not a replacement for, effective academic teaching (see Active Learning, Assessment for Learning).

Constraints on generalization. Achievement gains are typically small in magnitude and should not be oversold; programs implemented with poor fidelity or as brief, one-off interventions show little to no academic benefit [~W]. Effects appear weaker when SEL is delivered by external providers with no classroom-teacher involvement, and when programs are bolted on rather than woven into academic content [~M]. Some published evaluations rely on passive-consent samples or researcher-developed achievement measures, which can inflate estimates relative to independent standardized outcomes [~W].

Open questions. The durability of achievement effects after program completion, differential effects across grade bands and subject areas, and the relative contribution of specific SEL skill domains remain under-studied. The three syntheses recorded above agree on direction and disagree on size for achievement (ES 0.27 in 2011; g = 0.08 in 2025).

Merged from “Social Emotional Learning Programs Improve Achievement” (social-emotional-learning-programs-improve-achievement): The proposed mechanism is indirect: SEL programs are hypothesized to improve achievement by building self-regulation and executive-function capacities (attention control, impulse management, goal pursuit) that free cognitive resources for academic work — consistent with cognitive load management — and by improving classroom climate and student engagement, which increase time on task. This positions the claim downstream of better-established claims such as Belonging interventions improve outcomes and Autonomy supports intrinsic motivation.

Boundary conditions matter. Effects are likely strongest when SEL instruction is explicit, sustained across multiple years, and integrated with — rather than substituted for — academic instruction; brief or bolt-on programs would be expected to show weaker academic effects. Programs implemented with poor fidelity, or in contexts where behavior is not the binding constraint on achievement, should show attenuated effects. There is also a plausible opportunity-cost concern: instructional time devoted to SEL competes with academic content, so the claim requires that the self-regulation and climate benefits outweigh that cost — an empirical question the field has not fully settled.

Open questions include the durability of achievement effects after programs end, whether effects differ by grade band (early-childhood vs. secondary implementation), and whether universal (whole-classroom) programs outperform targeted interventions for students with elevated behavioral or emotional needs.

Note: The meta-analyses recorded above are of universal school-based SEL programs; see each entry for the achievement outcome it reports and whether it was read in full.

Merged from “SEL Programs Improve Academic Achievement” (sel-programs-improve-academic-achievement): Proposed mechanism. The mechanism most commonly proposed is indirect: SEL programs improve classroom behavior, engagement, and student–teacher relationships, which in turn create conditions for more instructional time and better learning. This pathway parallels the belonging-to-engagement-to-achievement chain described in Belonging interventions improve outcomes and is consistent with the motivational account in Autonomy supports intrinsic motivation. Programs that integrate social-emotional skill practice into academic content (rather than delivering it as a stand-alone add-on) are generally argued to show stronger academic spillover, because the skills are practiced in the context where they must be applied.

Boundary conditions. Effects on achievement are typically smaller than effects on social-emotional competencies themselves, and depend on implementation quality — dosage, fidelity, and teacher training are recurring moderators in the broader SEL literature. Programs delivered poorly or as brief one-off interventions should not be expected to move achievement. There is also an open question about developmental timing: whether early-childhood, elementary, or secondary implementation yields the largest academic return remains contested.

Causal direction. Because many supporting studies are quasi-experimental or rely on school-level adoption, selection effects (schools that adopt SEL programs differ systematically from those that do not) cannot be fully ruled out. Zhao & Sang (2025), recorded above, separate the two: randomised trials gave g = 0.063 (k = 64) against g = 0.27 (k = 12) for quasi-experiments, so the larger estimates may partly reflect design.

Status. Three meta-analyses with academic outcome measures are recorded above; together they support a positive but small, and in randomised trials negligible, achievement effect.

Learner Variables¶

• Social Awareness and Relationship Skills — outcome: instruction changes it

Related Claims¶

• Parent Implemented Intervention Improves Outcomes — the general claim this finding bears on, with the studies behind it

• Belonging interventions improve outcomes — social connectedness is a key pathway through which SEL climate affects achievement

• Assessment for learning improves achievement — formative feedback shares SEL's emphasis on self-regulation and metacognition
• Collaborative learning improves outcomes — SEL skills underpin effective peer collaboration
• Autonomy supports intrinsic motivation — motivational mechanisms complementary to SEL's self-regulation focus
• Self-regulated learning — the self-regulation competencies SEL programs explicitly target are the same ones SRL research links to achievement
• Co-regulation strategies were reported to create a safe, positive classroom climate and to help youth manage emotions — a narrower finding that bears on this claim
• Cooperative Learning Improves Achievement — related
• Disruptive student behavior is associated with less academic engaged time and lower achievement — related
• A practice brief reviewing self-regulation interventions reports substantial benefits of mindfulness programs for cognitive and emotional regulation, stress and mental health in adolescents and young adults — related
• Social-emotional learning benefits persist at follow-up — related
• SEL programs improve social emotional skills — related
• The affective component is suggested to contribute at least as much to language learning as cognitive skills — related
• Students with a stronger sense of belonging tend to show more academic self-confidence, motivation, engagement and achievement (review reports Pedler et al.) — related
• Students with belonging, purpose, collaboration, goal-setting, and perseverance skills alongside academic knowledge are more likely to reach their full potential — related
• The SACD Research Program is an IES-CDC collaboration funding seven teams to evaluate universal elementary programs experimentally — related
• Four implementation themes emerged from UK process evaluations: intervention format, policy consistency, staff buy-in, and perceived effectiveness — related
• Effects on secondary behavioural outcomes (conduct problems, delinquency, substance use) are negligible or non-significant — reports the opposite
• Students reported improved school-work priorities, peer academic behavior, teacher connection and support, and school connectedness after two years — related
• School Supports Including Academic Press, Social Support, and Instructional Program Coherence Relate to Achievement — related
• Introducing more challenging work without sufficient supports or attention to students' emotions and learning strategies can lead to frustration, withdrawal, disruption, and less learning — related
• SEL can be improved by both short-term targeted interventions and longer-term strategies to improve school contextual factors — related
• Research on summer programs addresses their implementation, design, and efficacy for literacy, math, and social-emotional learning outcomes — related
• Teachers used Forms to support social-emotional learning through daily well-being check-ins and anonymous voice — a narrower finding that bears on this claim
• Implementing specific SEL curricula can improve academic performance, including learning to read — related
• A replication trial with 267 preschoolers found greater gains in social skills and stronger teacher-child and parent-teacher relationships than controls — related
• Social and emotional competence can be enhanced through explicit instruction, teaching practices, and curriculum integration — related
• Emotions form a critical piece of how, what, when, and why people learn, so education should leverage the emotional aspects of learning — related
• Schoolwide SEL programs are associated with long-term achievement gains, with multiple meta-analyses estimating an 11-percentile-point gain on average for participating students — related
• Compared with non-participants, nearly 24% more students who participated in schoolwide SEL programs exhibited increased pro-social behaviors and reported decreased distress — related
• Schools adopting a whole child approach are reported to see improved attendance, engagement, health, and academic performance — related
• Cognitive, emotional, and social skills should be taught alongside content because learning is integrated in the brain — related
• Program and delivery characteristics moderate SEL effects: implementation quality, duration, skill practice, and delivery agent — related
• A 2017 meta-analysis found SEL program participation associated with a 6% increase in high school and an 11% increase in college graduation rates — related
• SEL programs are associated with an 11 percentile-point improvement in academic performance — reports the opposite
• Social and emotional learning programs promote competencies, reduce behavior problems, and improve engagement and achievement, with sustained longer-term benefits — a broader claim this one bears on
• SEL programs reduce disruptive behavior problems and emotional distress and foster prosocial behavior — a narrower finding that bears on this claim
• Non-cognitive-behavioral counseling, social work, and other therapeutic interventions show consistently negative effects, whereas self-control or social competency promotion instruction using cognitive-behavioral and behavioral instructional methods shows consistently positive effects — related
• Moderation analyses in reviewed SEL evaluations often lacked conceptual or empirical justification from prior literature or hypotheses — related
• SEL interventions improve attitudes, self-regulation, behaviour, and academic performance across reported effect-size ranges — related
• Interventions that change educator behaviour to match standard global definitions of quality have delivered negligible effects on children's developmental outcomes — related
• Teachers' universal classroom management practices significantly reduce problem classroom behavior (mean classroom ES = 0.80, ICC=.05) — related
• School-based SEL programs promote the development of social and emotional competencies across grade levels — related
• Brief social-belonging interventions improve academic outcomes and well-being, especially for students facing identity threat, but risk being used to fix students rather than structures — a narrower finding that bears on this claim
• Programs focusing on students' social-emotional development contribute most to classroom management intervention effectiveness, especially on social-emotional outcomes — related
• Descriptively, larger effects were associated with control groups, secondary-level teachers, indicated samples, cognitive-behavioural content, teacher-specific adaptation, group format, school delivery, and programs over one week — related
• A cluster randomized trial tests the impact of a skill-targeted social and emotional learning curriculum with Syrian refugee children in Lebanon — a narrower finding that bears on this claim