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Do school protests and strikes affect student learning?

Research on strikes and student learning is mixed: most studies find no average effect, but some grades and university students face real harm.

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Covers: This page examines evidence on how student protest participation and teacher strikes relate to academic outcomes such as test scores, attendance, and graduation. It covers K-12 and university settings and distinguishes short-term disruptions from longer-term effects; it does not cover the political goals or legality of protests.

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The short answer

Interpretation AI-prepared starting map

The evidence is mixed and depends on what is measured. Most studies comparing students who did and did not experience a teacher strike report no effect on student performance, and a longitudinal study of large US strikes from 1993 to 2019 found higher average teacher salaries afterward but no substantive change in student achievement. However, a study of Ontario strikes from 1998 to 2005 found that strikes in grades 5 and 6 had a negative, statistically significant effect on test-score growth, with the largest impact on math scores at 29 percent of a standard deviation across school/grade cohorts, while strikes in grades 2 or 3 had only a small, statistically insignificant effect. For university students, strike exposure was most strongly associated with dropout two to three semesters later (odds ratio 2.34), concentrated in early semesters. Student protests have mainly been studied through academic adjustment and online teaching responses rather than test scores.123

What this rests on6 independent sources
  • Evidence 17
  • Interpretation 1

In brief

  1. Most studies comparing students who did and did not experience a teacher strike report no effect on average student performance, and a 1993-2019 US study of large strikes found higher teacher salaries afterward but no substantive change in student achievement.12

    Evidence-backed
  2. Effects can be grade-specific: Ontario strikes in grades 5 and 6 had a negative, statistically significant effect on test-score growth, with math scores hit hardest at 29 percent of a standard deviation, while strikes in grades 2 or 3 had only a small, insignificant effect.1

    Evidence-backed
  3. At university level, strike exposure was associated with dropout two to three semesters later (odds ratio 2.34), concentrated in early semesters, and combined inflation-and-strike shocks produced dropout 18-23 percent higher than the sum of individual effects.3

    Evidence-backed
  4. Student protests have been studied mainly through academic adjustment and teaching responses: financially disadvantaged students were more vulnerable to academic-environment difficulties, and some universities used online delivery to finish the year during shutdowns.45

    Evidence-backed
  5. Disruptions can affect more than scores: in Malawi, students lost motivation during closures and strikes, some female students became pregnant or married early, and financial barriers to returning to school increased.6

    Evidence-backed

At a glance

The picture in numbers

Live · updated just now

Ontario teacher strikes, 1998–2005

29%

29 in every 100

of a standard deviation: largest math-score impact of Ontario grade 5–6 strikes1

The evidence behind it

6 sources
  • Other studies and data6

When it was published

Newest from 2026

20112026
Sources on this page by kind and year
SourceKindYear
Industrial Actions in Schools: Strikes and Student AchievementOther studies and data2011
Examining the Antecedents and Outcomes of Contemporary Large Teacher StrikesOther studies and data2026
CAPIRE: Modelling the Impact of Teacher Strikes and Inflation on Student Trajectories in Engineering EducationOther studies and data2025
Academic adjustment and socio-economic legacy effects: Evidence from the years of the #FeesMustFall and #RhodesMustFall protestsOther studies and data2020
Online teaching in response to student protests and campus shutdowns: academics’ perspectivesOther studies and data2019
The thought that i could continue with school got lost: a qualitative exploration of the impact of COVID-19 on the education and sexual and reproductive health of Malawi youth.Other studies and data2025

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What it means for you

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Pick the situation closest to yours. Each answer says what it rests on.

If you are a parent of a child in grades 5 or 6 during a teacher strike

the Ontario evidence suggests math test-score growth may be affected, so extra math support after the strike may be worth considering.1

Evidence-backed

If you are a university student in an early semester facing a strike

the engineering-education evidence links strike exposure to higher dropout risk two to three semesters later, so using academic support services early may help.3

Evidence-backed

If you are a student facing financial hardship during a protest or shutdown period

the South African study found financially disadvantaged students were more vulnerable to academic-environment difficulties and scored lower, so financial aid and support may matter more than usual.4

Evidence-backed

If you are a school or university administrator planning for a disruption

some South African universities used blended and online delivery to complete the academic year during shutdowns, though academics described this as politically controversial and practically challenging.5

Evidence-backed

If you are a policymaker weighing claims that strikes harm students

the research is mixed: most cross-sectional studies find no effect on performance, and a 1993-2019 US study found no substantive achievement change, while the Ontario study found significant effects for grades 5 and 6.12

Evidence-backed

If you are a community leader in a low-income setting during school closures or strikes

the Malawi findings point to risks beyond learning, including pregnancy, early marriage and increased financial barriers to returning to school, so community-level protection strategies may be needed.6

Evidence-backed

The full story · 2 chapters

01

Teacher strikes and academic outcomes

AI summary:Ontario strikes in grades 5-6 hurt test-score growth, especially math, while a US study found higher teacher pay but no achievement change.

Evidence-backed

Evidence-backed: A study of Ontario teacher strikes from 1998 to 2005 found that strikes in grades 2 or 3 had on average a small, negative and statistically insignificant effect on grade 3 through grade 6 test-score growth, with some variation across school boards. Strikes in grades 5 and 6 had a negative, much larger and statistically significant effect on that same score growth. The largest impact was on math scores, amounting to 29 percent of the standard deviation of test scores across school/grade cohorts.1

Evidence-backed

Evidence-backed: A longitudinal study of large US teacher strikes between 1993 and 2019 found that strikes occur in waves, that economic, socio-political and occupational factors predict where they happen, and that these factors operate differently in right-to-work and non-right-to-work states. Large strikes were associated with higher average teacher salaries in subsequent years, but with no substantive change in student achievement.2

Evidence-backed

Evidence-backed: In engineering education, strike exposure was most strongly associated with dropout two to three semesters after the disruption (odds ratio 2.34), with effects concentrated in early, high-friction semesters. Simulations of combined inflation and strike shocks produced dropout levels 18-23 percent higher than the sum of the individual effects, suggesting non-linear amplification when crises co-occur.3

02

Student protests, shutdowns and learning

AI summary:Studies of protests and shutdowns show online teaching responses, financial hardship, dropout risk, and lost motivation in Malawi.

Evidence-backed

Evidence-backed: During the 2015-2017 student protests and university shutdowns in South Africa, some universities used blended and online delivery to complete the academic year and cover the curriculum despite disruptions. Interviews with academics at the University of Cape Town in three disciplinary areas explored their views and practices around online materials in these circumstances, and identified tensions and contradictions in how the system responded.5

Evidence-backed

Evidence-backed: A study of 1905 first-year accounting students during the #FeesMustFall and #RhodesMustFall protests tested how academic adjustment contributed to academic performance. It found no differences by ethnicity in how academic adjustment difficulties influenced performance. Financially disadvantaged students were more vulnerable: those receiving financial aid scored lower in assessments, and their performance was especially sensitive to the academic environment dimension of academic adjustment. The authors conclude that historical legacy effects, at least for academic adjustment, may be limited to financial resource constraints.4

Evidence-backed

Evidence-backed: In Malawi, focus groups and interviews with students, caregivers, teachers and community leaders found that both male and female students lost motivation to continue learning during COVID-19 school closures and teacher strikes. Participants reported that some female students became pregnant, married early, or engaged in sex work to make ends meet, and that financial barriers to returning to school increased when schools reopened. They also reported lower grades and poorer quality of teaching after the closures.6

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  1. 1
    Industrial Actions in Schools: Strikes and Student Achievement
    National Bureau of Economic Research (Baker)Published Mar 1, 2011Checked Oct 6, 2026
    “While many jurisdictions ban teacher strikes on the assumption that they harm students, there is surprisingly little research on this question.The majority of existing studies make cross section comparisons of students who do or do not experience a strike, and report that strikes do not affect student performance.I present new estimates from a sample of strikes in the Canadian province of Ontario over the period 1998-2005.The empirical strategy controls for fixed student characteristics at the school cohort level.The results indicate that teacher strikes in grades 2 or 3 have on average a small, negative and statistically insignificant effect on grade 3 through grade 6 test score growth, although there is some heterogeneity across school boards.The effect of strikes in grades 5 and 6 on grade 3 through grade 6 score growth is negative, much larger and statistically significant.The largest impact is on math scores: 29 percent of the standard deviation of test scores across school/grade cohorts.”
  2. 2
    Examining the Antecedents and Outcomes of Contemporary Large Teacher Strikes
    Educational Evaluation and Policy Analysis (Nguyen & Rodríguez)Published May 10, 2026Checked Oct 6, 2026
    “As teacher strikes remain a prominent phenomenon within the United States, it is critical to examine their prevalence, potential causes, and consequences to understand the evolving dynamics of education policy, labor relations, and teaching as a profession. Using a unique longitudinal dataset of large teacher strikes between 1993 and 2019, we find strikes occur in waves and various economic, socio-political, and occupational factors predict strike occurrences. We also find evidence that these factors operate differently in right-to-work and non-right-to-work states. Lastly, we find that large strikes are associated with higher average teacher salaries in subsequent years, but with no substantive change in student achievement.”
  3. 3
    CAPIRE: Modelling the Impact of Teacher Strikes and Inflation on Student Trajectories in Engineering Education
    arXiv (Cornell University) (Paz)Published Nov 18, 2025Checked Oct 6, 2026
    “Lag analysis reveals that strike exposure exerts its strongest association with dropout two to three semesters after the disruption (OR = 2.34), and that effects are concentrated in early, high-friction semesters. We then embed these empirical patterns into an agent-based model, defining scenarios for inflation-only, strikes-only, and combined crisis. Simulations reproduce three stylised facts: delayed strike effects, basic-cycle vulnerability, and non-linear amplification when inflation and strikes co-occur, with combined shocks generating dropout levels 18-23% higher than the sum of individual effects. We argue that teacher strikes and inflation operate as structurally mediated educational disruptors, acting through curriculum design and financial resilience rather than as isolated events. The framework contributes to multilevel dropout theory by demonstrating how macro-level shocks propagate through institutional structures to shape individual trajectories and provides empirically grounded tools for scenario planning in macroeconomically unstable contexts.”
  4. 4
    Academic adjustment and socio-economic legacy effects: Evidence from the years of the #FeesMustFall and #RhodesMustFall protests
    South African Journal of Higher Education (Papageorgiou & Callaghan)Published Dec 1, 2020Checked Oct 6, 2026
    “Using a sample of 1905 respondents, over these two years, structural equation models are used to test the contributions of academic adjustment to academic performance for first year accounting students, during the time of these protests. Three theoretical models are tested to explore the persistence of historically discriminatory legacy effects. No differences are found by ethnicity for the influence of academic adjustment difficulties on academic performance. Financially disadvantaged students are however found to be more vulnerable to the influence of financial disadvantage ‒ those receiving financial aid score lower in assessments, and their academic performance seems to be vulnerable to the academic environment dimension of academic adjustment. It is concluded that historical legacy effects ‒ at least insofar as they relate to student academic adjustment ‒ may be limited to financial resource constraints. More concerted efforts on the part of university administrators and policy makers may be needed to improve the university environment and increase financial support for those who remain affected by historical socio-economic disadvantage.”
  5. 5
    Online teaching in response to student protests and campus shutdowns: academics’ perspectives
    International Journal of Educational Technology in Higher Education (Czerniewicz et al.)Published Dec 1, 2019Checked Oct 6, 2026
    “During the period 2015–2017, student protests and university shutdowns rocked the higher education sector in South Africa, with key issues being raised regarding student exclusion based on financial, epistemological and cultural grounds. In this highly politicised and contested environment, some universities decided to use blended and online delivery as a strategy to enable the academic year to be completed and all curriculum to be covered, despite the disruptions. This was a controversial decision politically and a challenging one practically. From the perspective of the academics at the University of Cape Town (UCT), this paper draws on interviews with educators in three broad disciplinary areas to explore their views, practices, and experiences regarding the use of online materials in these unique circumstances. Activity Theory provides a framework to consider the issues systemically and to identify the tensions and contradictions in the system.”
  6. 6
    The thought that i could continue with school got lost: a qualitative exploration of the impact of COVID-19 on the education and sexual and reproductive health of Malawi youth.
    Reproductive health (Togo et al.)Published Mar 5, 2025Checked Oct 6, 2026
    “Focus group discussions and key informant interviews were conducted in rural and urban areas with primary and secondary school students, their caregivers and teachers, and community leaders, providing insights on how the pandemic impacted them.ResultsBoth male and female students lost motivation to continue their learning during the COVID-19 related school closures and teacher strikes. Participants reported that some female students became pregnant, married early, and sometimes engaged in sex work to make ends meet. There were also reports of increased financial barriers to sending children to school when they reopened, and there were reports of lower grades and poorer quality of teaching post-school closures.ConclusionsThe findings highlight the need for community- and policy-level strategies to mitigate interruptions to students' schooling and protect them from outcomes like pregnancy and early marriage that could further hinder their education.”

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  • Do the short-term test-score effects of strikes persist into later schooling, graduation and earnings, or do students catch up?

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  • Which students are most affected by strikes and protests, and does financial disadvantage or grade level change the size of the effect?

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  • Do student protests affect learning through the same channels as teacher strikes, or mainly through campus shutdowns and academic adjustment?

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  • Can online or blended teaching meaningfully offset learning lost during strikes and shutdowns, and at what cost to quality?

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