When Childhood Conditions Change, Schools Must Adapt

The case for hospital-level intentionality in protecting cognitive development

Jan 20, 2026

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This month’s piece is longer than usual, but I think the argument demands it. After the holiday break, I wanted to return with something substantive: a framework for thinking about how schools should respond to fundamentally changed conditions for childhood development.

If you’re looking for a principled framework for technology in schools that goes beyond “ban it” or “embrace it”, or if you’ve been searching for language to explain why schools should operate differently than the marketplace, this piece provides both. It introduces the hospital analogy as a lens for understanding what intentional institutional design looks like when vulnerable populations and critical outcomes are at stake.

When Conditions Change, Design Must Follow

In March of 2020, hospitals transformed overnight. New protocols emerged: visitor restrictions, enhanced PPE requirements, modified air handling systems, and restructured patient flow. No one questioned whether these changes were necessary. The environmental conditions had changed. A new virus threatened global health, and medical institutions adapted accordingly. Every facet of care was reconsidered through a single lens: Does this protect patients and healthcare workers under these specific conditions?

Schools faced their own environmental transformation — not sudden like the COVID-19 pandemic, but no less profound. Beginning in 2007, childhood itself was rewired. The iPhone hit the market, social media changed how we communicate, and cheap data plans entrenched the ubiquity of both. But unlike hospitals, which adapted their design to accommodate new environmental circumstances, schools largely continued as they had before. They continued to adopt new technologies, calling this “preparation for the future” while rarely asking whether these tools supported or undermined the developmental conditions children actually need.

Today, one-to-one device programmes exist in most K-12 jurisdictions. High school students complete the vast majority of their assignments on screens. Meanwhile, the data on student wellbeing, attention capacity, and academic achievement trends in the wrong direction. Yet unlike hospitals, which would never continue protocols shown to harm patient outcomes, schools persist with environmental conditions that measurably undermine the development they exist to support.

The consequences of this divergence are now measurable.

The Measures of Decline

The statistics tell a clear story:

According to the CDC, half of teenagers had four or more hours of daily screen time between 2021 and 2023. The Ontario Psychological Association, citing a 2022 report by Common Sense Media, finds that teenagers spend an average of more than eight daily hours on screens for the purpose of entertainment alone.

According to a Pew survey, approximately 15% of teens report using YouTube, TikTok, Instagram, and Snapchat “almost constantly”:

The PISA test is a measure of 15-year-old students’ skills in reading, math, and science. It’s administered by the OECD in each of its member nations every three years. Since ~2012, scores have declined in each category across member nations. Below is a depiction of Canada’s performance compared to the OECD average (which includes the U.S.):

The same trend, dating from 2012, can be seen in the United States’ own NAEP scores in reading and math:

According to the CDC, teens who report higher levels of daily screen time also report more symptoms of anxiety and depression:

According to research from Pew, self-reported depression symptoms began accelerating around 2012, especially among girls:

A recent study from UC San Francisco demonstrated that even moderate use of social media among teens showed measurable cognitive costs. More use was associated with lower scores on both reading and memory tasks.

Early screen exposure, among children aged 5.5 on average, is associated with lower reading and math scores in grades 3 and 6, according to research from Toronto’s Hospital for Sick Children.

Across the same time horizon, reading for pleasure has been in steep decline, according to the American NAEP assessment survey:

All of this information points us to three conclusions: First, excessive social media use and excessive screen time are damaging to the mental health of young people, and it forces them to bear both cognitive and academic costs. Second, these behaviours displace opportunities to engage in activities that would benefit their cognitive and academic development, like reading. And finally, schools have not only failed to protect students from these conditions; they’ve actively replicated them in classrooms through one-to-one device programmes and screen-based instruction.

The unfortunate data you read through above is not an inevitable feature of modern childhood. Notice the pattern: across multiple measures, 2012 marks an inflection point — roughly when smartphones achieved ubiquity among teens and Instagram reached critical mass, as Jonathan Haidt has argued. These outcomes are a result of the specific environmental conditions that we’ve allowed. Within the status quo, schools aren’t just failing to help; in some cases, they’re contributing to the problem through their design choices.

While initial adoption may have seemed reasonable, the evidence has been accumulating for over a decade. The question is no longer whether harm is occurring, but whether schools will respond to what the data clearly shows. It’s not about eliminating technology from schools entirely; that’s neither possible nor desirable. It’s about whether schools will respond to these changed conditions with the same systematic intentionality that hospitals use to protect vulnerable populations.

To understand what that response might look like, we need to examine what makes hospitals effective as designed environments in the first place.

The Logic of Intentional Design

Hospitals aren’t relevant to this argument because students are sick. They’re relevant because they demonstrate systematic environmental design toward a singular purpose. They understand themselves to be unique, specialized domains where the environmental conditions have been optimized to support recovery — where ailing people can access necessary resources and care without risk of further harm to themselves or others. Every element is aligned toward this purpose: architecture, access protocols, hygiene standards, staffing credentials, and technology use.

Hospitals don’t contain sterile operating rooms for sterility’s sake, but because infection control serves patient recovery. The key principle is that when outcomes matter enough and populations are deemed vulnerable, we don’t leave environmental conditions to chance or convenience. We design deliberately.

The analogy has its limits: schools aren’t, and shouldn’t be, as controlled as hospitals. The goals in each environment are different. But the principle of intentional design toward protective and developmental conditions applies equally to both. When the populations you serve are vulnerable and the outcomes matter profoundly, environmental conditions can’t be left to chance.

Schools should exercise the same institutional authority. Rather than reflexively adopting whatever the marketplace offers under the banner of “preparation for the future”, schools must ask different questions: Does this support the developmental conditions children actually need? Does this protect or fragment the cognitive capacities we’re meant to cultivate?

This isn’t about rejecting innovation or technology. It’s about escaping the reactive merry-go-round where schools adopt tools first and assess consequences later, if at all. When hospitals faced new environmental threats, they didn’t ask whether adaptation was convenient. They asked whether it was necessary. Schools deserve the same clarity of purpose.

To understand what this means in practice, we first need to recognize what’s fundamentally different about childhood development in 2026 compared to previous generations.

Childhood Under New Conditions

The 21st century is more unlike its predecessor than our schools’ responses suggest. Previous generations of children developed in environments that, while imperfect, didn’t systematically undermine the conditions for healthy cognitive development. Yes, there were distractions, entertainments, commercial pressures — but nothing quite like this:

Ubiquitous access to algorithmically-optimized attention capture — As the journalist Derek Thompson has eloquently argued, “Everything is Television” now. Passive, video-based entertainment isn’t restricted to your living room; it’s accessed via the supercomputer in every pocket — a tool engineered by behavioural scientists to maximize engagement and capture attention at the expense of our voluntary agency.

The collapse of boredom — Unstructured time, a developmental necessity, is immediately filled by algorithmic stimulus.

Fragmented social development — Peer-to-peer relationships are predominantly mediated through platforms designed for addiction, not connection.

The outsourcing of executive function — Autocorrect, GPS, Learning Management System reminders, AI — every cognitive challenge has a prosthetic, and those prostheses are always available for use.

Commercial surveillance embedded in learning — EdTech isn’t neutral; it’s extractive, harvesting student data for profit.

The decline of embodied play — Free, physical, unstructured movement is increasingly rare, displaced by screens and structured activities.

This isn’t a moral panic about “kids these days”. This is a recognition that the environmental conditions of childhood have changed. And, importantly, they’ve changed in ways that threaten the fundamental prerequisites for healthy development.

Schools had the luxury to be less intentional about their design in previous eras. When the rest of childhood provided counterbalancing experiences — kids got bored, they played outside unsupervised, they had things to remember, they navigated physical spaces, they experienced unmediated social conflict and resolution — schools could afford to be instrumental in their approaches to education.

Now? Schools may be the only environments where these conditions can be systematically protected. If schools don’t create these conditions, where will children encounter them?

In the past, assigning an essay was enough. In order to complete it, students had no choice but to write it themselves, to conduct some research, and to edit their own mistakes. That’s no longer the case. The tools we insist students use to complete assignments are often the same tools that enable them to circumvent the cognitive work those assignments were designed to develop.

This makes the hospital analogy even more relevant. We need hospital-level intentionality because the environmental threats to healthy development are more pervasive and more sophisticated than ever before.

The tools we’ve given students for efficiency often undermine the friction that their development requires. Sometimes technological convenience comes at the cost of developmental necessity.

What Schools Must Limit, What Schools Must Elevate

Environments optimized for specific outcomes operate through two mechanisms: they create boundaries and elevate standards. Hospitals establish boundaries that protect the wellbeing of patients and their care providers — they restrict access to specific clinical spaces like operating rooms or intensive care units in the interest of preserving and promoting health. But they also raise standards for the same purposes — they enforce strict hygiene protocols to reduce the possibility of infection.

So how can schools pull these levers to spur the kind of development we hope to see in our students?

Protective Boundaries (What We Limit)

These aren’t restrictions for their own sake, but to protect conditions necessary for development.

Access to Technology: Technology can be useful for many purposes, but in schools it’s typically adopted for efficiency and convenience rather than developmental benefit. We don’t need to ban technology, but we must be deliberate about when, where, why, and how it’s used.
When considering our students’ cognitive development, it’s crucial to understand that the use of specific tools has neurological effects that can be developmentally significant. Handwriting, for example, has proven more beneficial to memory and learning than typing (I explore these cognitive effects in detail here).
Commercial Platforms in Learning Environments: Commercial platforms that deliver convenience often extract more value than their subscription costs suggest. Google Classroom and similar learning management systems are also surveillance engines that harvest student data while simultaneously undermining the executive function skills students need to develop; each automated reminder or notification is a missed opportunity for students to practise independent time management and self-regulation.
By limiting dependence on these platforms, schools can ensure students develop the executive function and intrinsic motivation necessary for genuine autonomy rather than technological dependence.
Physical Spaces: As schools have embraced digital ubiquity, quiet spaces for sustained concentration have disappeared. Libraries have become “learning commons” — collaborative, energetic, technology-rich environments. These spaces serve important purposes, but not at the cost of providing students who need calm, focused environments for deep work. Schools need both: spaces optimized for collaboration and spaces protected for concentration.

Elevated Standards

Just as hospitals maintain hygiene standards far exceeding other public spaces, schools must elevate standards for cognitive development beyond what the general environment provides.

Face-to-Face Interaction: In the late 1970s, 52% of American 12th-graders spent time in person with their friends every day. By 2017, only 28% did. Unsurprisingly, loneliness has increased correspondingly. Schools have an opportunity to respond accordingly.
Face-to-face interaction should be the default, not the fallback. Even when Zoom meetings or emails would be more efficient, in-person interaction should remain the default when possible. Community and belonging are built upon a foundation of eye contact, smiles, laughter, and physical proximity.
Modelled Behaviour: Role models matter. In a 2021 YouGov poll, teens’ top career choice was “influencer/streamer”. Less than half as many reported a desire to be veterinarians, scientists, police officers, teachers, or entrepreneurs. Clearly, what young people see is tremendously important to their worldviews.
But what if teachers modelled something different? What if students saw their teachers reading novels during breaks, conducting meetings without screens, and demonstrating that sustained attention is possible?
Cognitive Hygiene: Where the rest of the world is full of disruptive notifications, attention-capturing algorithms, and stimulating content, schools can offer higher standards for cognitive hygiene. If multi-tasking is the norm in the general environment, schools should create opportunities for single-task focus. If the news is full of hot takes and secondary sources, schools should privilege primary sources. If short form videos dominate our social media feeds, schools should support sustained engagement with complete texts.

Protective boundaries and elevated standards are a recognition that healthy development has prerequisites. Just as healing a fractured bone requires immobilization, cognitive development requires conditions we currently undermine. These boundaries and standards aren’t exhaustive, but they demonstrate what becomes possible when schools stop following the marketplace and start optimizing for what children actually need to develop.

The Choice Schools Face

For the first time, we’re raising children in environments that actively work against the conditions they need for healthy cognitive development. Schools can be sanctuaries where those conditions are preserved, or they can continue to capitulate, replicating the environments that produce the outcomes we’ve documented.

Hospitals protect recovery because we’ve decided that health matters enough to warrant systematic environmental design. The question before schools is whether we believe cognitive development and human flourishing matter enough to warrant the same intentionality.

We’re conducting an unprecedented experiment on developing minds. Unlike tech companies, schools can choose prudence over disruption. The architecture of our classrooms forms the architectural blueprint of our students’ futures. That responsibility demands the seriousness that it deserves.

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