ReadingTown Library System provides books for levels K-6, middle school, and high school. Within each grade level, books are categorized into 3 groups: A(low), B(middle), and C/D(high).
More than 2,200 books are systematically classified into 29 levels (ABC for K-6, ABCD for middle/high school). Students borrow 1~2 books from assigned level every week. They take reading comprehension and vocabulary tests after finishing each book.