To check the Mid-Autumn Exam results for children in the United States, parents can follow these steps:

1. Log in to the School Portal: Most schools provide an online portal where parents can access their child's grades and exam results. Use the username and password provided by the school to log in.

2. Navigate to the Results Section: Once logged in, look for a section labeled "Exam Results," "Grades," or "Report Cards.

3. Select the Mid-Autumn Exam: Choose the specific exam or test period for which you want to view the results.

4. Review the Results: The results will typically show the child's scores, grades, and any comments from teachers.

5. Print or Save: You can print the results or save them to your computer for future reference.

The importance of checking Mid-Autumn Exam results lies in the ability to monitor a child's academic progress and identify areas that may need improvement. According to a study by the National Center for Education Statistics (NCES), regular monitoring of student performance can lead to better academic outcomes. For instance, a report published in the Journal of Educational Psychology found that parents who are involved in their child's education, including checking grades and exam results, can significantly improve a child's academic performance. This involvement not only helps in understanding the child's strengths and weaknesses but also encourages a positive attitude towards learning.