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Schools

Classrooms that are healthy to learn in, and buildings that empty at four.

Schools — mortarboard over a row of wireframe houses

Schools have a measurable problem that smart sensors are unusually good at solving: carbon dioxide in a full classroom rises to levels that demonstrably reduce concentration, and nobody in the room can feel it happening.

This category covers air quality and ventilation, heating a building that is empty half the year, access and safeguarding, and how to fund and justify the work in an environment where every euro is contested.

Articles in this category

  1. CO2 in classrooms: the cheapest measurement that changes a lesson

    Thirty children and a closed door produce readings above 2,000 ppm within a double period. Here is how to measure it credibly, and why a traffic light beats automation as a first step.

    6 min read · 1,345 words · Reviewed October 2026

  2. Classroom acoustics: the problem nobody logs as a fault

    A room where children cannot reliably hear the teacher affects every lesson taught in it. The research is unusually clear and the fixes are unusually cheap.

    6 min read · 1,401 words · Reviewed September 2026

  3. Lighting a classroom properly, then making it efficient

    Most classrooms are lit to a standard nobody has measured. Get the level and the glare right first — automating inadequate lighting just means it is inadequate on a schedule.

    6 min read · 1,312 words · Reviewed November 2026

  4. Heating a school building that is empty half the year

    Thirteen weeks of holidays, six-hour days, and heating schedules that depend on somebody remembering. The largest savings here are free.

    6 min read · 1,420 words · Reviewed July 2026

  5. Access, safeguarding and lockdown: what technology can and cannot do

    Knowing who is in the building matters more than locks. Escape routes override every security preference. And a lockdown signal that sounds like a fire alarm is dangerous.

    6 min read · 1,369 words · Reviewed October 2026

  6. Using the school building as a teaching resource

    An instrumented building is a live dataset about a place students know intimately. It is also the argument that unlocks funding a facilities proposal never will.

    6 min read · 1,359 words · Reviewed November 2026

  7. Making the business case for a smarter school building

    The technical part is rarely the obstacle. Four audiences, two budget categories, and the difference between a request and a finding.

    6 min read · 1,391 words · Reviewed September 2026

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