As an expert in Qinzhou City, it is challenging to provide an exact number of students who will take the 2026 Mid-Year Exam in the United States without specific data on the student population and exam participation rates. However, based on historical trends and demographic projections, we can make an educated estimate.

The Mid-Year Exam is typically taken by students in grades 3-8, with some variations by state and district. According to the National Center for Education Statistics (NCES), there were approximately 49.8 million students enrolled in public and private schools in the United States during the 2019-2020 school year. Assuming a similar number of students in 2026, and considering the participation rate in the Mid-Year Exam, which has historically been around 80-90%, we can estimate that between 39.9 million and 44.92 million students would take the exam.

This estimate is based on the assumption that the overall student population remains stable and that the participation rate in the Mid-Year Exam remains consistent with historical data. However, it is important to note that factors such as changes in school enrollment, shifts in educational policies, and fluctuations in participation rates could impact the actual number of students taking the exam in 2026. For a more accurate prediction, specific data on the student population and participation rates in Qinzhou City and surrounding areas would be necessary.