The Global Relationship Between Classroom Content And Unequal Educational Outcomes

Posted by on July 29, 2014

Our guest author today is William Schmidt, a University Distinguished Professor and co-director of the Education Policy Center at Michigan State University. He is also a member of the Shanker Institute board of directors.

It is no secret that disadvantaged students are more likely to struggle in school. For decades now, public policy has focused on how to reduce the achievement gap between poorer and more affluent students. Despite numerous reform efforts, these gaps remain virtually unchanged – a fact that is deeply frustrating, and also a little confusing. It would be reasonable to assume that background inequalities would shrink over the years of schooling, but that’s not what we find. At age eighteen, rather, we find differences that are roughly the same size as we see at age six.

Does this mean that schools can’t effectively address inequality? Certainly not. I devoted a whole book to the subject, Inequality for All, in which I argued that one of the key factors driving inequality in schools is unequal opportunity to learn, or OTL.

It is very unlikely that students will learn material they are not exposed to, and there is considerable evidence that disadvantaged students are systematically tracked into classrooms with weaker content. Rather than mitigating the effects of poverty, many American schools are exacerbating them.

Previous work in this area has been limited by the data, but the most recent Program for International Student Assessment (PISA) study included student-level measures of mathematics OTL in some 60 countries, including the United States. The 2012 PISA provides powerful evidence for inequality in OTL and its relationship to student performance: that there is massive variation in exposure to mathematics content; that OTL is strongly related to student performance; and that lower-income students are generally exposed to less rigorous mathematics content. It’s not just that poorer students are less well prepared when they enter school – the weakness of their mathematics coursework prevents them from catching up.

Although it’s nice to see further support for what I argued in Inequality for All, what is truly fascinating about the PISA results is that this is a global phenomenon. In every country, more exposure to mathematics content was related to greater mathematics literacy, and in almost every country there was a significant relationship between student background and OTL. In other words, the problem we identified in the U.S. turns out to be a problem everywhere.

One of the interesting results of the PISA was that most of the variation in student performance was within schools rather than between them. Here in the United States, we’re accustomed to talking about “failing schools” and “good schools.” According to the PISA, this perspective is not just wrong, it’s profoundly wrong. On average nearly two-thirds of the differences in student achievement in mathematics are found in the same school, not in different schools. The U.S. does stand out, but not how you’d expect – here it’s more like three quarters. The issue appears to be less unequal schools than unequal classrooms.

These are exciting findings, ones that should make us re-consider our approach to educational reform. Educational inequality is not a U.S.-specific problem, but some educational systems do a much better job than we do in coping with effects of poverty. More importantly, what’s taught in the classroom has a critical role to play – a fact that has received far too little attention in our era of systemic educational change.

- Bill Schmidt


5 Comments posted so far

  • I work in a Title I school. I would extend your analysis beyond math to the arts and beyond. The life experience and extra-curriculars which kids in well-resourced communities regularly take advantage of put the kids in under resourced areas at a great disadvantage. To shorten the experience to focus on Math and Reading/Language Arts widens the gap further.

    Comment by Alan
    July 29, 2014 at 7:41 PM
  • Thank you for highlighting what Bill Cosby called the “subtle racism of lowered expectations”

    Comment by Rik Blumenthal
    July 30, 2014 at 1:47 PM
  • How might you separate out the effects of tracking from the effects of weaker performance in previous math classes? Tracking, per se, turns into something else at the high school level: placement in math classes that represent a logical next step given the student’s level of mastery at the end of the previous year’s math class. In math, more so than most other subjects other than foreign language, students can’t skip over material they haven’t yet learned in order to be placed in a “higher level” class.

    Comment by EB
    July 30, 2014 at 4:28 PM
  • Also can you be a more descriptive about the types of advocacy groups Gates is funding, what issues they focus on, and how many are start ups that rely heavily on the Gates’ funding?

    Comment by Jennifer
    August 1, 2014 at 12:17 AM
  • Thanks William Schmidt for sharing us eye opening article. I total agree with these articles. Somebody has to take first step of improvement. In today’s world without education nothing possible. For better future very child should be given proper education.

    Comment by Victoria
    August 5, 2014 at 3:11 AM

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