Data journalism on education assessment, verified against NCES and NAEP sources. Every statistic checked. Every claim traceable.
This page presents analysis of education assessment data drawn from the National Assessment of Educational Progress (NAEP) and the National Center for Education Statistics (NCES). The work comprises 6 articles examining trends in student achievement, assessment methodology, and the implications of declining test participation.
All 41 statistics cited in these articles have been independently verified against NCES source data. The verification log, source references, and methodology notes are available below.
Analysis of long-term NAEP trends separating pandemic effects from pre-existing trajectories. Examines reading and mathematics scores across grade levels with demographic breakdowns.
NAEP TrendsHow declining test participation rates affect the representativeness of NAEP results. Statistical analysis of exclusion rates and their impact on reported achievement gaps.
MethodologyCross-state comparison of NAEP performance controlling for demographic and economic factors. Identifies states outperforming and underperforming statistical expectations.
State AnalysisCritical examination of how achievement gaps are measured, reported, and potentially misinterpreted. Reviews alternative metrics and their policy implications.
EquityComparison of U.S. student performance across international assessment frameworks. Examines methodological differences that complicate cross-national comparisons.
InternationalAssessment of the national education data collection system. Identifies gaps in longitudinal tracking, workforce outcomes, and early childhood measurement.
InfrastructureBased on data from the National Center for Education Statistics (NCES) and the National Assessment of Educational Progress (NAEP). Daniel McGrath is a former Associate Commissioner for Assessments at NCES. Trellison Institute does not claim endorsement by Mr. McGrath, NCES, or any referenced organization. All analysis uses publicly available data and published methodologies.
Every statistic traced to NCES/NAEP source tables and verified programmatically
Published assessment methodologies applied, limitations documented transparently
Articles, data stories, policy briefs, and replication packages from same verified data
Research integrity gate evaluates methodology transparency and data provenance before publication
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