Many of us in education have deep misgivings about the role standardized tests play in our schools. As a principal, I鈥檝e had a front-row seat to incidents that illustrate why we should be seriously concerned. Let me tell you about one of them.
A few years ago, an assistant superintendent approached me about the performance of my kindergarten teachers. He had looked at the school鈥檚 scores from a commonly used standardized test and had identified an underperforming kindergarten teacher.
He pointed out that in one of my four kindergarten classes, the student scores were noticeably lower, while in another, the students were outperforming the other three classes. He recommended that I have the teacher whose class had scored much lower work directly with the teacher who seemed to know how to get higher scores from her students.
Seems reasonable, right? But here was the problem: The 鈥渦nderperforming鈥� kindergarten teacher and the 鈥渉igh-performing鈥� teacher were one and the same person.
I had just two kindergarten teachers. They each taught one morning and one afternoon class.
The idea that I should have the 鈥渉igh performing鈥� teacher coach her lower-performing colleague was suddenly very concerning to me, not to mention impossible. It was clear to me that I couldn鈥檛 use standardized tests to distinguish high-performing from low-performing teachers. And this incident fed the doubts that I already harbored about using those same tests鈥攚hich are meant to be 鈥渟cientific"鈥攖o measure student learning.
Dozens of Variables
I am married to a scientist. He runs tests on plant pathology, analyzes the results, draws conclusions, and uses the results to develop solutions to the problems he studies. I am in awe of the tidiness of the whole process.
I, on the other hand, am an educator. At best, every child is an experiment of one. We test the children鈥檚 learning with admittedly limited instruments鈥攕tandardized tests鈥攖hat were never designed to be used as a standalone analysis. A lot of classroom time is dedicated to preparing for these tests and giving them. Results are affected by dozens of variables that we can鈥檛 control: illness, hunger, sleep deprivation, unfamiliar forms of a test, limited command of English.
While my husband carefully chooses which plants and which growing conditions to use in his studies to get more accurate and replicable results, I cannot even begin to predict which variables have the most impact on any individual student when she takes a standardized test on any given day.
However, in our best attempt to mimic scientific experiments in education, we insist on measuring the success of a learning intervention by students鈥� standardized test results. These are the very same tests that have let us down by failing to accurately capture what a student knows and can do.
Many people say that we use these tests because we have no better way to measure learning. That鈥檚 not really a good answer, much less a reason to draw conclusions about the effectiveness of an intervention, or worse, about the performance of a teacher.
Occasionally I鈥檒l hear a story about a student whose abilities teachers vastly underestimated, and then a test at school finally revealed the level of his or her true capability. I do not doubt those stories.
But my own experience of watching tests and students for many years is that standardized test results underestimate large numbers of students as learners, especially those who belong to minority groups. Most often, it鈥檚 the teacher鈥攏ot the standardized test鈥攚ho will recognize a student鈥檚 true abilities and understand that the student simply is unable to demonstrate on the test what she knows and can do.
Teachers鈥攇ood teachers, who are with students day after day through all the variables of learning鈥攁re far more likely to know not only what a student can do but also how to increase his learning. If we focused on that and worked to build our strength as identifiers and promoters of children鈥檚 learning, we could have a real impact.
I fear that the charade of saying testing can inform instruction has diverted us from exploring what can really make a difference in a child鈥檚 learning. And the precious little time we have to bring children as far as possible, to nourish their potential, to have them become capable of successfully navigating whatever world they will live in with confidence as a lifelong learner, is simply not a gift to squander. As sociologist William Bruce Cameron wrote, 鈥渘ot everything that can be counted counts.鈥�
