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When a teacher tries to teach something to the entire…

“When a teacher tries to teach something to the entire class at the same time, chances are, one-third of the kids already know it; one-third will get it; and the remaining third won’t. So two-thirds of the children are wasting their time.” quote by Lilian Katz
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“When a teacher tries to teach something to the entire class at the same time, chances are, one-third of the kids already know it; one-third will get it; and the remaining third won’t. So two-thirds of the children are wasting their time.”

Lilian Katz

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Teaching whole class at once wastes two-thirds of students’ time.

In simple terms: Uniform instruction is inefficient.

Key Takeaway

Differentiate instruction.

Themes

education efficiency learning

Mood

practical instructive

Type

educational advice

When to use this quote

  • classroom planning
  • teacher training
  • curriculum design

Key Concepts

differentiated instruction student engagement pedagogy

Questions to Reflect On

  • How to identify optimal group sizes?
  • What tools aid differentiation?
A Different Perspective

Some students may benefit from whole-class lessons.

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