Just like in Craft's previous books, 'School Trip' delves into the complexities of friendships, particularly within a diverse group of students. The trip to Paris throws a spotlight on their differences – from cultural backgrounds and perspectives to personal anxieties and individual ways of dealing with new environments. The story highlights how navigating these differences can be both challenging and rewarding, ultimately strengthening their bonds.

The novel emphasizes the value of embracing new experiences and stepping outside one's comfort zone. The trip to Paris throws the characters into a world vastly different from their own, forcing them to adapt, learn, and grow. Through humorous and relatable situations, Craft encourages young readers to be open to new cultures, embrace the unknown, and find joy in the journey of discovery.

'School Trip' explores the power of perspective as the characters encounter cultural differences and navigate unfamiliar social situations. Jordan, as an aspiring artist, observes Paris through a unique lens, finding inspiration in unexpected places. The story highlights how different perspectives can enrich our understanding of the world and ourselves.