This blog should be read together with the following blogs: Why Learners Forget What They Were Taught and Cognitive closure repurposed.

If you want to know whether your teaching results in fast or slow learning, obtain your own Brain-Based Field Guide for learning for free.

At a time when the world outside the classroom is accelerating, the pace of learning inside classrooms is slowing—and becoming less durable.

Alongside other constraints, there is a deeper and less visible reason for this. Although learners can follow explanations, reproduce methods, and perform correctly during structured practice, this does not translate into durable understanding. The learning remains surface-level. What can be recited for an exam is often forgotten shortly afterwards. Deep learning has not taken place.

This leads to a cycle where repetition and re-teaching become the default response. However, instead of improving outcomes, this reduces the effective speed of learning over time. Each cycle of incomplete understanding creates the need for more time, more support, and more intervention—without addressing the root cause.

The root cause lies in how learning is designed. Learning is often structured around exposure to content and guided performance rather than the formation of understanding. This creates structured presence—the appearance of progress—while the thinking is carried by the teacher’s cognitive structure, not by the learners.

Learners are not consistently required to reconstruct and stabilise their understanding. As a result, the brain does not complete the necessary wiring, and cognitive closure does not take place.

The effect becomes visible when the teacher’s structure is removed. Learners struggle to think independently. This means understanding remains fragile, and insight collapses outside the lesson.

For learning to become durable, something different must happen. Learners must be guided to actively think—to orient themselves, make sense of relationships, detect patterns, and build coherence. This is the point at which learning stabilises and becomes usable.

The key question is not whether the learner can follow, but whether the learner can think independently.

Until this shifts, the system will continue to invest time without securing understanding.

This is not a learner ability problem. It is a problem of how learning is formed—and how the brain is (or is not) wired for durable understanding.

A concerning signal is now emerging.
More entrepreneurial-minded learners who achieve high marks in matric—particularly in mathematics and science—are stepping into tutoring roles immediately after school, often modelling the same teaching approaches they were exposed to during their own schooling.

While this may seem positive, it often reinforces the same model of guided performance rather than developing true teaching expertise. As a result, the cycle continues: performance is reproduced, but understanding is not strengthened.

If this trend grows, it risks creating a parallel support system that amplifies the problem rather than solving it.