When should a swim instructor reassess the skills of their students?

Reassessing the skills of students after every lesson is crucial for several reasons. First, it allows instructors to closely monitor each student’s progress and understanding of the skills being taught. Frequent assessments help identify areas where a student may be struggling, enabling the instructor to provide immediate feedback and adjust their teaching methods accordingly. This approach fosters personalized learning, where the instruction is tailored to each individual's needs, promoting faster improvement.

Additionally, consistent reassessment keeps the instructor aware of the group's overall progression, ensuring that the pace of teaching aligns with students' abilities. This method helps build confidence in students as they receive regular validation of their skills, reinforcing what they have learned in real-time.

While the other options may have their merits in specific contexts, reassessing after each lesson provides a more dynamic and responsive teaching approach that can adapt to each student's learning journey.