Second grade is a year in elementary school typically for children aged 7 to 8 years old. In this grade, students build on the skills they learned in first grade, focusing on reading, writing, and math. They often learn to read more complex books and write simple paragraphs. In addition to core subjects, second graders may explore subjects like science and social studies. They often participate in group activities and projects, which help develop their teamwork and social skills. Overall, second grade is an important year for academic and personal growth.