Second Form at St. Clare's is the second novel in Enid Blyton's St. Clare's school series. The O'Sullivan twins, Pat and Isabel, are now slightly older and more accustomed to school life, but they face new challenges as they move up a form. The story introduces new, often difficult, characters, and the twins must deal with rivalries, academic challenges, and the usual schoolgirl pranks and midnight feasts. The book emphasizes the themes of growing up, learning tolerance, and the development of strong friendships.
