Concise Answer: 8th graders in the US sign up for the 2026 Mid-Year Exam primarily to assess their academic progress, prepare for high school, and meet state and federal educational standards.

Explanation: The Mid-Year Exam serves as a critical benchmark for 8th graders in the United States. This exam is designed to evaluate students' knowledge and skills in various subjects, including mathematics, language arts, science, and social studies. The reasons why 8th graders sign up for this exam are multifaceted:

1. Assessment of Academic Progress: The Mid-Year Exam provides a comprehensive assessment of students' academic progress, allowing teachers and parents to identify areas where students may need additional support. According to the National Assessment of Educational Progress (NAEP), 68% of 8th graders in the US scored at or above basic proficiency in mathematics in 2020.

2. Preparation for High School: The results of the Mid-Year Exam can help students and their families determine whether they are on track for high school success. High school admission requirements often include minimum scores on standardized exams, and the Mid-Year Exam can serve as a precursor to these assessments.

3. Meeting State and Federal Educational Standards: The exam is aligned with state and federal educational standards, ensuring that students are adequately prepared for the next stage of their education. For instance, the Common Core State Standards have been adopted by most states, and the Mid-Year Exam reflects these standards.

4. Identification of Learning Gaps: The exam helps identify specific learning gaps, allowing for targeted interventions. According to a study by the National Center for Education Statistics, 30% of 8th graders in the US scored below basic proficiency in mathematics.

5. College and Career Readiness: The Mid-Year Exam is also a stepping stone towards college and career readiness. High scores on standardized exams can improve students' chances of gaining admission to competitive colleges and securing scholarships.

In conclusion, the Mid-Year Exam is a crucial tool for assessing and enhancing the educational outcomes of 8th graders in the US. It serves as a foundation for their future academic and professional endeavors.