What was Roald favorite subjects at school?

There is no information available on Roald Dahl's favorite subjects in school. We know he struggled with his studies due to his dyslexia and was expelled from Repton School.

It's important to note that:

* Roald Dahl was a real person, not a fictional character: He wrote many famous children's books, but we are not talking about a character from one of his stories.

* Information about real people's lives can be limited: While we know many details about his career and writing, personal preferences like favorite subjects may not be documented.

If you're interested in learning more about Roald Dahl's life, you can research his biography or explore the many resources available online.