Pinochet’s School Curriculum Reduced Left Identification for Decades

Why This Question Matters: The study by Elsa Voytas and Pablo Francisco Argote Tironi asks whether an authoritarian government’s reworking of school curricula leaves a lasting imprint on citizens’ political identities. Educational systems are a common vehicle for regime messaging, so understanding whether curricular changes translate into durable shifts in ideology speaks to how durable authoritarian legacies are for democratic politics.

A Natural Experiment From the 1973 Coup: After Chile’s 1973 coup, the military junta overhauled the national curriculum to reflect its ideological priorities. The authors exploit the sharp timing of that curricular reform with a regression discontinuity design: they compare people whose schooling just included the junta-era curriculum to those whose formal schooling ended just before the reform took effect. This close cohort comparison isolates the effect of exposure to the junta-controlled education from broader time trends.

What the Authors Measured: Outcomes focus on self-reported ideological identification (left, right, center, or non-ideological). The analysis tests persistence decades after the reform and examines heterogeneity by educational attainment (college vs. no college). The methods emphasize causal identification through the cohort discontinuity and robustness checks around the cutoff.

Key Findings:

• Exposure to the junta-era curriculum produced a lasting decline in left-wing self-identification.
• No systematic effects were found on right-wing or centrist self-identification.
• There is a positive—but imprecisely estimated—increase in non-ideological identification (greater ideological ambivalence or detachment).
• The observable effects are concentrated among people without a college education.

Evidence on Mechanisms: The authors present suggestive evidence that the curricular intervention worked through two pathways: it persuaded some individuals away from leftist platforms, and it increased ideological ambivalence and political apathy for others. These mechanisms help explain why left identification fell while right and center labels did not show symmetric gains.

What This Means for Democratic Legacies: The findings imply that authoritarian attempts to reshape civic identity through schooling can leave measurable, long-term traces on ideological self-placement—especially among less-educated cohorts. That pattern highlights education policy as a channel through which regimes can shape political identities long after they fall, with implications for how democracies reckon with authoritarian-era institutions and curricula.