There are many vocational and technical schools and training institutions in Jining, some of which provide training courses related to sewage treatment. The following are some schools or institutions that provide sewage treatment training in Jining:

1, Jining Vocational and Technical School: This school provides environmental protection technology, including courses related to sewage treatment.

2. Shandong Vocational College of Environmental Protection: This college is a vocational college specializing in training environmental protection talents, providing environmental protection engineering technology, environmental monitoring and treatment, including courses related to sewage treatment.

3. Shandong Academy of Environmental Protection Science: This institution specializes in environmental protection scientific research and technical services, and provides environmental protection technical training and consulting services, including courses related to sewage treatment.