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From the classroom

Data Isn’t the Whole Child: What Test Scores and Dashboards Miss

A teacher who likes data explains what numbers miss (confidence, belonging, real growth) and how to use data without being ruled by it.

I want to start this article by saying something that might surprise you: I like data.

Good data helps me teach better. It can show me which students need more support, which concepts the class hasn't grasped, and whether something I tried actually worked. Used well, data is like a torch in a dark room. It helps you see where to look.

But a torch only lights up what you point it at. And in education, I worry we've started pointing it at a narrow set of things and assuming that's the whole room.

This article is about what data shows, what it misses, and how we can use it without letting it take over.

What numbers are good at

Let's be fair to data first.

Assessment results can help identify students who are falling behind before the gap becomes too wide. They can reveal patterns across a class or a school, like a topic many students find tricky. They can help schools see whether a new approach is making a difference. At a system level, data can highlight inequities, showing where some communities aren't getting the support they need.

These are good things. A teacher who ignores all data is flying blind. I'd never argue for that.

What numbers miss

Now let's talk about what doesn't fit neatly into a spreadsheet.

Confidence. The student who used to never put their hand up and now does. Belonging. The kid who finally feels like they have a friend in the class. Resilience. The student who failed a task, felt terrible, and tried again anyway. Curiosity. The question that came out of nowhere and showed a child was really thinking.

Kindness. Leadership. Creativity. Persistence. The ability to work with others, to disagree respectfully, to handle frustration. The joy of reading a book because you want to, not because you have to.

None of these show up easily in test scores. Some of them can be measured, roughly, with careful tools. Most of them are noticed by teachers, parents and the students themselves, in small moments that never get recorded anywhere.

And yet, when you ask most people what they hope school gives their kids, these are exactly the things they mention.

Growth that doesn't show

One of the trickiest things about data is that it often measures where a student is, not how far they've come.

Imagine a student who started the year well behind and made huge progress, but is still below the expected level. On a chart that only shows "at standard" or "below standard," they might look like a failure. In reality, they might have had the best year of their school life.

Or imagine a student who started well ahead and barely moved. On the same chart, they look like a success. In reality, they might have been bored and coasting all year.

Good data systems try to show growth as well as achievement, and that helps. But in my experience, the headline number is often what gets the most attention, from schools, from systems, from the media and sometimes from parents.

When the measure becomes the target

There's an old idea, often repeated in management and economics, that when a measure becomes a target, it stops being a good measure. I see versions of this in schools.

When results on a particular test carry a lot of weight, there's natural pressure to focus on that test. Time can shift towards practising the format, rehearsing the types of questions, and covering what's likely to be assessed. None of this is cheating. It's a reasonable response to the signals the system sends.

But it can come at a cost. Time spent preparing for one kind of assessment is time not spent on other kinds of learning: projects, the arts, deep discussions, play, exploration. The things that are harder to measure can quietly get squeezed.

I'm not saying this happens everywhere, or that it's anyone's deliberate plan. I'm saying that what we choose to measure, and how much weight we give it, shapes what happens in classrooms. That's a big responsibility.

The dashboard and the child

These days, many schools have dashboards. Colourful charts, traffic-light colours, trend lines. They can be genuinely useful for spotting patterns quickly.

But I've noticed something about dashboards: they can make a child look like a dot. Red, amber or green. Up arrow or down arrow. It's easy to forget that every dot is a person with a whole life behind them.

A red dot might be a kid whose parents just separated. An amber dot might be a student who's been sick for weeks. A green dot might be a child who's doing fine academically but is deeply unhappy.

The teacher usually knows those stories. The dashboard doesn't. The best decisions come from putting the two together: the data and the knowledge of the child.

Data from the classroom

Here's something that often gets overlooked: teachers generate enormous amounts of data every day. It just doesn't look like a spreadsheet.

It's the look on a student's face when they don't understand. It's the quality of the questions they ask. It's the way they talk about their work. It's how they handle a group task. It's the conversation at the door on the way out.

Experienced teachers read this information constantly and adjust their teaching in response. It's one of the most sophisticated things we do, and it's almost entirely invisible to the system.

I'd love to see that kind of professional judgement valued more highly. Not instead of formal data, but alongside it. When a teacher says, "I know the numbers say this, but I'm seeing something different," that should be taken seriously.

What parents can ask

If you're a parent, reports and test results can be confusing, or worrying, or both. Here are some questions that might help you see the whole picture:

These questions invite the teacher to share what they actually know about your child. In my experience, teachers love being asked them.

Using data well

So what would a healthier relationship with data look like? Here's where I've landed:

The whole child

At the end of the day, every number in an education system belongs to a child. A child with a family, a personality, a set of hopes and fears and quirks. A child who's much more than any score.

Data can help us serve that child better. But it can't tell us everything about them. That's what teachers, parents and students themselves are for.

I'll always look at the data. I'll also always look at the kid. If I had to choose one, I'd choose the kid every time.

Next: Initiative Fatigue: Why Constant Change Wears Out Good Teachers