A grammar school is a type of secondary school that focuses on academic education, typically for students aged 11 to 16. These schools often emphasize subjects like mathematics, science, and literature, preparing students for higher education. Admission is usually based on entrance exams, which assess students' abilities and potential. In some countries, such as the United Kingdom, grammar schools are part of the selective education system. They aim to provide a rigorous academic environment for gifted students. While they offer a strong educational foundation, the existence of grammar schools can lead to debates about educational equity and access for all students.