Which factor is NOT important in determining the readiness of each student to learn?

In the context of determining a student's readiness to learn, factors such as age, prior knowledge, and learning style preferences are significant because they directly influence how effectively a student can engage with new material. Age can determine cognitive development and learning capabilities, while prior knowledge serves as a foundation upon which new information can be built. Learning style preferences highlight how a student might best acquire and process information, which can affect motivation and retention.

Ethnic background, while it may influence cultural context and experiences, is not inherently a determining factor in the readiness to learn. It does not directly correlate with the cognitive or developmental aspects of an individual's ability to learn, nor does it provide insight into specific learning needs or styles. Therefore, it stands apart from the other factors when considering readiness for learning, as it does not play a crucial role in the immediate educational context.