PolyConundrum

Students' Test Scores Tell Us More About The Community They Live In Than What They Know

Students' Test Scores Tell Us More About The Community They Live In Than What They Know

Every year, policymakers across the U.S. make life-changing decisions based on the results of standardized tests. These high-stakes decisions include, but are not limited to, student promotion to the next grade level, student eligibility to participate in advanced coursework, eligibility to graduate high school and teacher tenure. In 40 states, teachers are evaluated in part based on the results from student standardized tests, as are school administrators in almost 30 states.

However, research shows that the outcomes of standardized tests don’t reflect the quality of instruction, as they’re intended to. Colleagues and I have conducted studies in New Jersey, Connecticut, Massachusetts, Iowa and Michigan.

The results show that it’s possible to predict the percentages of students who will score proficient or above on some standardized tests. We can do this just by looking at some of the important characteristics of the community, rather than factors related to the schools themselves, like student-teacher ratios or teacher quality.

This raises the possibility that there are serious flaws built into education accountability systems and the decisions about educators and students made within those systems.

Standardized tests

Students’ scores on mandated standardized tests have been used to evaluate U.S. educators, students and schools since President George W. Bush signed the No Child Left Behind Act (NCLB) in 2002.

Although more than 20 states had previously instituted state testing in some grade levels by the late 1990s, NCLB mandated annual standardized testing in all 50 states. It required standardized mathematics and English language arts tests in grades three through eight and once in high school. State education officials also had to administer a standardized science test in fourth grade, eighth grade and once in high school.

The Obama administration expanded standardized testing through requirements in the Race to the Top grant program and by funding the development of two national standardized tests related to Common Core State Standards: Smarter Balanced Assessment Consortium (SBAC) and the Partnership for Assessment of Readiness of College and Careers (PARCC).

Forty-five states initially adopted the Common Core in some form. Approximately 20 are currently part of the PARCC or SBAC consortia. Key portions of Race to the Top applications required states use student test results to evaluate teachers and principals.

Predicting scores

It’s already well-established that out-of-school, community demographic and family-level variables strongly influence student achievement on large-scale standardized tests.

For example, median family income is a strong predictor of SAT results. Other factors strongly linked to achievement on state standardized tests include parental education levels, percentage of lone parents in the school community and percentage of families living in poverty in the community.

We decided to see if we could predict standardized test scores based on demographic factors related to the community where a student lived. By looking at three to five community and family demographic variables from U.S. Census data, we have been able to accurately predict the percentages of students who score proficient or above on standardized test scores for grades three through 12. These predictions are made without looking at school district data factors such as school size, teacher experience or per pupil spending.

Our models can identify how much a particular variable affects students’ scores. That allows us to identify the most important demographic characteristics as they relate to the test results. For example, by looking at just one characteristic – the percentage of families in a given community living in poverty – we can explain almost 58 percent of the test’s score in eighth grade English language arts.

Our most recent study explored three years of test scores from grades six through eight in more than 300 New Jersey schools. We looked at the percentage of families in the community with income over US$200,000 a year, the percentage of people in a community in poverty and the percentage of people in a community with bachelor’s degrees. We found that we could predict the percent of students who scored proficient or above in 75 percent of the schools we sampled.

An earlier study that focused on fifth grade test scores in New Jersey predicted the results accurately for 84 percent of schools over a three-year period.

Smarter assessments

To be clear, this doesn’t mean that money determines how much students can learn. That couldn’t be further from the truth. In fact, our results demonstrate that standardized tests don’t really measure how much students learn, or how well teachers teach, or how effective school leaders lead their schools. Such tests are blunt instruments that are highly susceptible to measuring out-of-school factors.

Though some proponents of standardized assessment claim that scores can be used to measure improvement, we’ve found that there’s simply too much noise. Changes in test scores from year to year can be attributed to normal growth over the school year, whether the student had a bad day or feels sick or tired, computer malfunctions, or other unrelated factors.

According to the technical manuals published by the creators of standardized assessments, none of the tests currently in use to judge teacher or school administrator effectiveness or student achievement have been validated for those uses. For example, none of the PARCC research, as provided by PARCC, addresses these issues directly. The tests are simply not designed to diagnose learning. They are simply monitoring devices, as evidenced by their technical reports.

The bottom line is this: Whether you’re trying to measure proficiency or growth, standardized tests are not the answer.

Though our results in several states have been compelling, we need more research on a national level to determine just how much test scores are influenced by out-of-school factors.

If these standardized test results can be predicted with a high level of accuracy by community and family factors, it would have major policy implications. In my opinion, it suggests we should jettison the entire policy foundation that uses such test results to make important decisions about school personnel and students. After all, these factors are outside the control of students and school personnel.

Although there are ideological disputes about the merits of standardized tests results, the science has become clearer. The results suggest standardized test results tell more about the community in which a student lives than the amount the student has learned or the academic, social and emotional growth of the student during a school year.

Although some might not want to accept it, over time, assessments made by teachers are better indicators of student achievement than standardized tests. For example, high school GPA, which is based on classroom assessments, is a better predictor of student success in the first year of college than the SAT.

The ConversationThis change would go a long way to providing important information about effective teaching, compared with a test score that has little to do with the teacher.

About the Author

Christopher Tienken, Associate Professor of Education Leadership Management and Policy, Seton Hall University

This article was originally published on The Conversation. Read the original article.

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