* Athletics: Running, jumping, and other track and field events are often mentioned, especially during school sports days or competitions against other schools.
* Hockey: Field hockey is a popular sport for girls in many of the books, often featuring exciting matches and rivalries.
* Tennis: Tennis is another common sport, sometimes featured as a leisure activity or a competitive match.
* Swimming: Swimming is often mentioned, both for recreation and for competitions.
* Riding: Horseback riding is a popular activity in some of the books, especially those set in schools with equestrian facilities.
* Games: While not strictly a "sport", games like rounders and cricket are often played in the books.
It's important to note that the specific sports featured vary depending on the book and the particular school setting. However, these are some of the most common sports you'll find in Enid Blyton's boarding school stories.