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Bert Stoneberg, Ph.D.
K-12 Research Idaho
Idaho Education Statistics

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K-12 Research Idaho is a Personal Public Service Project funded entirely from retirement benefits.

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New, Important and/or Noteworthy

Idaho End-of-Course Tests new icon
icon new Biology and Chemistry Achievement in Idaho High Schools, 2015-2016 (PDF)

Idaho Reading Indicator
icon new The IRI and the Idaho Reading Initiative, Fall 2016 (

ISAT 2016
new icon ISAT 2016 scale score to percentile rank conversion tables (PDF)
new icon ISAT 2016 Idaho statewide percentile results (PDF)
new icon ISAT Percentile calculator for district, school or classroom (XLSX - Excel Spreadsheet)

Published and Peer-Reviewed Papers  [Re: Use/Misuse of NAEP and State Data] 

Stoneberg, B.D. (2016).  Idaho percentile results for the 2015 and 2016 ISAT (SBAC) English Language Arts and Mathematics tests in grades 3-8 and 10.  Available online:  (or PDF)

Stoneberg, B.D. (2015).  The relationship between the rigor of a state's proficiency standard and student achievement in the state.  Available online:

Stoneberg, B.D. (2015). Real cost-benefit analysis is needed in American public education. Practical Assessment, Research & Evaluation, 20(15). Available online: 

Stoneberg, B.D. (2007). Using NAEP to confirm state testing results in the No Child Left Behind Act. Practical Assessment, Research & Evaluation, 12(5). Available online:

Stoneberg, B.D. (2005). Please don't use NAEP scores to rank order the 50 states. Practical Assessment, Research & Evaluation, 10(9). Available online:  

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