Serina teaches the following courses under the Southeast Asian Studies Department, FASS, NUS: 

• Singapore & the Sea
• Religion, Politics & Society 
• World Religions
• Magic, Myths & Society in Southeast Asia
• Politics of the Environment in Southeast Asia (MA by Coursework)
• Southeast Asia by Sea (MA by Coursework)
• Inclusive Sustainable Development Field Trip (MA by Coursework)

She has taught the following courses in the past: 

• Human Ecology (joint summer module with Monash University Malaysia)
• Politics of Southeast Asia (Political Science Dept, NUS)
• Malaysian Politics (Political Science Dept, NUS)