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Direct questions about the 2026 ISAT scale score to ISAT percentile rank conversion tables to
Ayaka Nukui (Director of Assessment and Accountability) at anukui@sde.idaho.gov
The last ISAT percentile rank conversion tables are for ISAT 2024 (Link Text)
Bert Stoneberg's "Mini-Minivita" - a very short list of experience and training. (Link Text)

Does Idaho's education progran serve students at all ability levels? ISAT_Percentiles_2019-2025 (Link Text)
ISAT 2025 reading and math effect sizes, Grades 3-8 (Link Text)
NAEP 2024 Cross-state comparisons of reading and math scores for grades 4 and 8 (maps) (Link Text)
Cross-state comparisons of per-pupil expenditures, FY2023 (Link Text)

Stoneberg, B.D. (2015). Real cost-benefit analysis is needed in American public education (Open)
Stoneberg, B.D. (2015). The relationship between the rigor of a state's proficiency standard and student achievement in the state (Open)
Stoneberg, B.D. (2007). Using NAEP to confirm state test results in the No Child Left Behind Act (Open)
Stoneberg, B.D. (2005). Please don't use NAEP scores to rank order the 50 states (Open)
For additional papers available on the web see https://eric.ed.gov/?q=stoneberg

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K-12 Research Idaho Archive/Library

National Assessment of Educational Progress (NAEP)

NAEP 2024 Cross-state comparisons of reading and math scoresm grades 4 and 8 (maps) (Link Text)
NAEP 2019-24 Idaho's status among the 50 states (Link Text)
NAEP 2003-24 Idaho's average reading and math scores (Link Text)

Idaho Standards Achievement Tests (ISAT)

ISAT 2025 reading and math effect sizes, Grades 3-8 (Link Text)
ISAT_Percentiles_2019-2025.pdf (Link Text) Note: Did Idaho's education progran serve students at all ability levels?

Other Assessments and Data

Pyschometrics, Statistics, and Data Analysis & Reporting