1. Present simple tense: Used throughout the answer (e.g., "Another important factor is...", "it really helps the information stick") to state general truths and habits, which is appropriate for discussing how children become smart at school.
2. Conditional structure: "When children consistently do their homework and review what they’ve learned, it really helps the information stick." This is a first conditional structure, showing the result of a repeated action.
3. Infinitive of purpose: "to spot any gaps in their knowledge" uses the infinitive form to explain the purpose of revising.
4. Comparative structure: "the more they practice, the more confident and skilled they become" uses a parallel comparative structure to emphasize improvement through practice.