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The Least Dangerous Assumption & The Presumption of Competence

Season #2

Hey teacher friend, today we’re diving into one of my favorite topics: The Least Dangerous Assumption, also known as The Presumption of Competence. 💛
It’s a mindset that completely changes how we see and support our students, especially in special education.

If you’ve ever wondered how to balance high expectations with realistic support, or how to make sure every child gets a fair chance to show what they know, this episode is for you.

What You’ll Learn

  • What The Least Dangerous Assumption means, and where it came from

  • Why assuming competence matters so deeply in SPED classrooms

  • The harm of underestimating students (and how it limits opportunity)

  • Practical ways to live out this mindset every day

  • Real-life examples that prove access + belief = possibility

Quick Takeaways

  • Give access first, then assess. Barriers often look like “can’t” when they’re really “can, with support.”

  • Use age-respectful materials. Adapt the task, not the dignity.

  • Provide real choices. Choice = voice = confidence.

  • Watch your language. Replace “can’t” with “not yet” or “still learning.”

  • Look for hidden understanding. Sometimes comprehension shows in the smallest cues.

  • Expect growth, even slow growth. Small wins are still wins.

When we presume competence, we teach from belief, not limitation.
The “least dangerous assumption” means giving every student access, dignity, and the chance to show what they know, because the risk of assuming too little is far greater than assuming too much.