Final answer:
The school nurse would suggest establishing a consistent daily routine, as it can help balance study time and physical activity, which are crucial for a child's educational success. The Correct Answer is Option. C.
Step-by-step explanation:
The advice that a school nurse would likely provide to a parent who wants to improve their child's performance in school work is C) Establishing a consistent daily routine. Physical activity and healthy eating are fundamental parts of a child's education, and establishing a routine can help provide a balanced structure of both study time and recreational activities, like sports, which can have positive effects on academic performance. Reducing sleep or increasing sugar and caffeine intake can have adverse effects on a child's health and ability to focus in the classroom.
Physical activity has been shown to improve not only physical health but also mental well-being, leading to better concentration and school performance. Moreover, adequate sleep is crucial for cognitive processes, and a lack of it can hinder a student's ability to learn and retain information. It's also essential to consider that a diet high in natural nutrients and low in processed foods supports overall health and the brain's functioning, contributing to improved academic outcomes.