Class size refers to the number of students assigned to a particular classroom or course. It is an important factor in education, as it can influence the quality of instruction and the level of individual attention each student receives. Smaller class sizes often allow teachers to engage more effectively with students, fostering better learning environments. Research has shown that smaller classes can lead to improved academic performance, especially in early education. However, class size can vary widely depending on factors such as school district policies, grade level, and available resources. Balancing class size with educational quality remains a key challenge for educators and policymakers.