original-study source

The Long-Term Effects of Universal Preschool in Boston

Boston admissions lotteries showed higher high-school graduation and college attendance and lower disciplinary involvement, with no detectable effect on state achievement tests.

Reviewed July 24, 2026

Guthrie Gray-Lobe, Parag A. Pathak, and Christopher R. Walters, Quarterly Journal of Economics 138(1), 2023; NBER Working Paper 28756.

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What this source supports

Boston admissions lotteries showed higher high-school graduation and college attendance and lower disciplinary involvement, with no detectable effect on state achievement tests.

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Topic reviews: Strong Public Schools & Early Education

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Last reviewed
July 24, 2026