The Cornley Polytechnic Drama Society is a fictional theater group featured in the play The Play That Goes Wrong. This society is known for its ambitious productions, often leading to humorous mishaps and chaos on stage. The characters in the society are portrayed as enthusiastic but somewhat inept, which adds to the comedic elements of the story. The play showcases the society's attempt to perform a murder mystery, highlighting their struggles with props, set design, and acting. The resulting disasters create a slapstick atmosphere, making it a popular choice for audiences who enjoy physical comedy and theatrical blunders.