Sharp knife class, experimental class, innovation class, competition class, rocket class. Official website of Wenzhou Dongou Middle School shows that there are five key classes in Wenzhou Dongou Middle School, namely, sharp knife class, experimental class, innovation class, competition class and rocket class. Wenzhou Dongou Middle School is a private full-time boarding school, which is under the management of Wenzhou Education Bureau and directly under Wenzhou Education Bureau.