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Mismeasuring Schools’ Vital Signs

How to Avoid Misunderstanding, Misinterpreting and Distorting Data
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    • Chapter 7
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  • Chapters
    • Intro
    • Chapter 1
    • Chapter 2
    • Chapter 3
    • Chapter 4
    • Chapter 5
    • Chapter 6
    • Chapter 7
  • Endorsements
  • About us
    • Authors
    • K12 Measures
  • Talks / News / Blogs + Reviews
    • Talks
    • News
    • Blogs + Reviews
  • Keep learning
    • Workshops offered
    • For book groups
    • Visual glossary
    • Word and phrase glossary
  • Contact us
Picture of Steve Rees

Steve Rees

Leader and founder of the company and its K12 Measures team. Author of curriculum for our courses and workshops. Analyst with a special talent for visual interpretation. Loves leading exploratory data analysis missions. Hates waste of time, money and human effort.
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Steve Rees’s guest blog on Andy Rotherham’s EDUWONK site

February 27, 2023

Steve Rees asks, “When K-12 Leaders Make Mistakes, Who Notices?” His guest blog on EDUWONK, Andy Rotherham’s popular education website, looks at error rates in

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Jill Wynns’ essay in AMERICAN SCHOOL BOARD JOURNAL

February 27, 2023

School board leader, Jill Wynns, makes a case for asking smarter questions in her essay, “The Art of the Right Question.” It appeared in the

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EDCAL interviews Steve Rees about “Mismeasuring Schools’ Vital Signs”

February 27, 2023

Michelle Carl, editor of EDCAL, interviews Steve Rees about “Mismeasuring Schools’ Vital Signs.” This is the weekly newspaper of the Association of California School Administrators

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Jenny Rankin interview with Steve Rees in PSYCHOLOGY TODAY

February 27, 2023

Jenny Rankin interviews Steve Rees in her column in PSYCHOLOGY TODAY (January 2, 2023). She asks what can be done to reduce the harm caused

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Book review by David Osborne in THE 74

February 27, 2023

Author and charter advocate David Osborne reviews “Mismeasuring Schools’ Vital Signs” in THE 74. His views on governing wisely (see his book “Reinventing Government”) provide

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Impact of Remote vs. Classroom Instruction: New Evidence Makes It Visible

October 28, 2022

Thanks to Sean Reardon’s team at the Stanford Educational Opportunity Project, and Tom Kane’s team at the Harvard Center for Education Policy Research, the evidence

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Why Virginia Gov. Youngkin is wrong about student NAEP scores: the problem with the National Assessment of Educational Progress

August 23, 2022

This opinion essay by the lead education reporter of the Washington Post, Valerie Strauss, reveals a common misunderstanding of the meaning of the term “proficient”

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A Half Century of Student Progress Nationwide Where Others See Decline: A Startling View of NAEP Results

August 23, 2022

The authors make a daring assertion, after examining 50 years of test results (1971 to 2017). They claim that student achievement has grown a lot.

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Combining multiple measures to validate teachers’ referrals of struggling readers

September 17, 2021

I’m eager to share a story of our use of two different measures of emerging readers’ skills to gauge whether teachers are referring the right

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Dyslexia screening is a litmus test of a district’s commitment to teaching all students to read

August 28, 2021

What is the implied promise in the contract between school districts and the parents who bring them their children to educate? The first promise is

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Are too many ed researchers talking mainly to each other?

May 12, 2021

At this year’s annual American Educational Research Association (AERA) conference, education scholars presented 2,188 papers, symposia and roundtables–all of it online, of course. I was

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How far from the evidence should you stand in order to make sense of it?

March 30, 2021

If analysis is what you’re doing, you face some of the same decisions as when you view a work of art. How close to a

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Let’s stop trying to turn teachers into analysts

November 25, 2020

In ten years, will historians look back at the 30-year effort to get teachers to interpret test data as a failure? I’m impatient. I don’t

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Who’s gathering diagnostic evidence when schools open?

August 22, 2020

This is a story of connecting the dots, of diagnostic riddles. This is a story about the value of practicing science rather than teaching science.

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Measuring gaps the right way: Stanford’s Educational Opportunity Project

June 16, 2020

Although the California Dept. of Education’s Dashboard continues to mismeasure gaps, a team of social scientists at Stanford are interpreting gaps wisely. Meet Sean Reardon

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Gap measures in the Dashboard are wrong

June 11, 2020

As education leaders declare their support for equal justice, and repeat their commitment to reduce the achievement gap, they are hard-pressed to answer the most

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Three dimensions to parent and student engagement well suited to this COVID-19 era

June 4, 2020

The moment in the fall when school opens will be a moment of reckoning for districts. They will learn to what degree their parents and

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Norms, test results and Lake Wobegon: a cautionary tale

May 8, 2020

As you are putting finishing touches on your district’s LCAP or your site’s SPSA, I hope you’re valuing your interim assessments more highly. With this

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When Teachers Are Left Alone to Make Sense of Test Results, Half Get It Wrong

January 13, 2020

For more than 20 years, higher-ups have been urging educators to “just use data” when making decisions. But almost no one has dared study what

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Dashboard flaws: why all those colors instead of numbers?

January 7, 2020

I’m feeling very blue today. I vote green. And I stop for red lights. When I tell you what I do or how I feel

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Do you really know the work your assessment director is doing?

November 5, 2019

Over the past 20 years, I’ve met at least 60 assessment directors among the 240 districts we served. When I asked them to tell me

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What data skills should K12 leaders expect from their planning teams

July 10, 2019

After reading dozens of district LCAPs this year, I’m appalled and worried. What appalls me most is not their length or the poor writing that

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What’s wrong with data-driven decision-making?

June 24, 2019

Let me know if this surprises you. I don’t believe in data-driven decision-making. In fact, when I hear someone affirm this phrase, my b.s. detectors

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Why “continuous improvement” is never a straight line

May 28, 2019

 “The key question is whether teaching can shift from an immature to a mature profession, from opinions to evidence, from subjective judgments and personal contact

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Does the Dashboard’s combining status and change help or hurt?

May 9, 2019

The Dashboard has changed a little each year in the way it presents and interprets measures of districts’ and schools’ vital signs. But one thing

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Five Measurement Flaws That Compromise the Dashboard

April 19, 2019

The CDE’s Dashboard has become the new interpreter of schools’ and districts’ health. Its dials and color matrixes have replaced numbers as the measurement language

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The End of the Era of Statistical Significance (and Why You Should Care)

April 4, 2019

The editors of the official journal of the American Statistical Association have put a spike in the heart of a monster of their own creation.

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Collateral damage from the accountability wars

February 25, 2019

[This interview with me appeared in Jenny Rankin’s PSYCHOLOGY TODAY blog on January 19, 2019.  Its title: “War Stories From the Accountability Battlefield.”] Jenny Rankin

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Good news awaits if we stop measuring ELs and start measuring “Ever-ELs”

October 15, 2018

The California accountability system’s interpretation of the progress of English learners is wrong. That’s the bad news. Its flaws are explained in a recent article, “Hidden

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Why I’m a skeptic of “best practices”

September 19, 2018

I spent September 13 at a special event in Palo Alto to discuss the potential for evidence generated when students use online instructional materials.  About 30

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This scholar knows how long-term English learners are created

May 30, 2018

If your district serves students who you consider to be English learners, you need to read this research article by Peggy Estrada (UC Santa Cruz)

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Mismeasurement of gaps in LCAPs: bad arithmetic, bad logic

February 16, 2018

The serious subject of gaps has been a hot one for more than five decades. The Coleman Report of 1966 was the first moment in

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Hiding behind education jargon

October 3, 2017

When educators talk about their work to parents, they utter buzzwords that leave their audience in the dark. This “ed-speak” phenomenon is so prevalent, it

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Jill Wynns: San Francisco

Steve Rees: New York

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