WP series: Mathematics Stagnation Nation series for the USA (Part 3) The collective Math stagnations of the grades 4th and 8th in the big cities (or the School Districts based on TUDA of NAEP) of the USA over the 1 decade: their confirmations, time lags, math poverty shares, and the roles of the Common Core math

Q: What does this research mean for the field?

Math performance for 4th and 8th grade students in major US cities experienced a collective stagnation between 2005 and 2015. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Dongchan Lee

doi:10.5281/zenodo.20716302

June 16, 2026Open Access

WP series: Mathematics Stagnation Nation series for the USA (Part 3) The collective Math stagnations of the grades 4th and 8th in the big cities (or the School Districts based on TUDA of NAEP) of the USA over the 1 decade: their confirmations, time lags, math poverty shares, and the roles of the Common Core math

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Key Points

This paper aims to analyze math performance stagnation in U.S. urban school districts over the past decade, focusing on 4th and 8th grades.
Examined NAEP math data from 2003 to 2015
Focused on urban school districts based on TUDA
Utilized charts from the NAEP website for analysis
Identified significant math stagnation trends occurring predominantly between 2005 and 2015
Noted strong correlations between stagnation and the implementation time lags of the Common Core math standards
Highlighted the prevalence of 'math poverty' across large urban districts

Implication

This analysis reveals extensive math stagnation trends in U.S. urban school districts over a decade, suggesting implications for education policy.

Abstract

In this short paper whose charts were directly borrowed from the NAEP website on the National Report Cards, I noticed some very striking feature s about the national and state math stagnations in the USA, especially for 2005 -2015 during which most of the citywide math stagnations seemed to have taken place . We examined the NAEP math data from 2003 to 2015 for the math grades 4 and 8 from 2

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Dongchan Lee (2026) studied this question.

synapsesocial.com/papers/6a338d85630953a74978e76a https://doi.org/10.5281/zenodo.20716302

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Key Points

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