St. Clare's is a series of six books written by British children's author Enid Blyton about a boarding school of that name. The series follows the heroines Patricia ("Pat") and Isabel O'Sullivan from their first year at St. Clare's on. Other characters include Allison O'Sullivan (the twins' cousin), Hilary Wentworth, Carlotta, and Bobby Ellis.
The six books are:
- The Twins at St. Clare's (1941)
- The O'Sullivan Twins (1942)
- Summer Term at St. Clare's (1943)
- Second Form at St. Clare's (1944)
- Claudine at St.Clare's (1944)
- Fifth Formers at St. Clare's (1945)
