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Education / Accountability

Importance of Quality in Primary Education

By Abhi Sivasailam on Oct 4, 2010

If you’re like me, you too have spent the past few months eagerly awaiting the release of a certain academic article. Well, I’m pleased to report that the wait is over. Here it is: “How Does Your Kindergarten Classroom Affect Your Earnings? Evidence From Project STAR.” The paper is written by several “superstar” economists whose research supports the conclusion that investments in improving the quality of early education can provide lasting benefits. The paper is also noteworthy for tracking the effects of early educational interventions onto market outcomes, and not just subsequent educational outcomes.

Here’s the abstract:

In Project STAR, 11,571 students in Tennessee and their teachers were randomly assigned to different classrooms within their schools from kindergarten to third grade. This paper evaluates the long-term impacts of STAR using administrative records. We obtain five results. First, kindergarten test scores are highly correlated with outcomes such as earnings at age 27, college attendance, home ownership, and retirement savings. Second, students in small classes are significantly more likely to attend college, attend a higher-ranked college, and perform better on a variety of other outcomes. Class size does not have a significant effect on earnings at age 27, but this effect is imprecisely estimated. Third, students who had a more experienced teacher in kindergarten have higher earnings. Fourth, an analysis of variance reveals significant kindergarten class effects on earnings. Higher kindergarten class quality – as measured by classmates’ end-of-class test scores – increases earnings, college attendance rates, and other outcomes. Finally, the effects of kindergarten class quality fade out on test scores in later grades but gains in non-cognitive measures persist. We conclude that early childhood education has substantial long-term impacts, potentially through non-cognitive channels. Our analysis suggests that improving the quality of schools in disadvantaged areas may reduce poverty and raise earnings and tax revenue in the long run.

For those who don’t want to read the whole paper, the research is also available as a PDF of Power Point slides.

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Abhi Sivasailam

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