Siri Seewali maha vidyalaya, located in the village of Nedungamuwa in Gampaha ,is a mixed school. The school officially recognizes October 21,1921,as its founding date. Classes are conducted from grade 1 to grade 11,and 421 students are currently studying there. The teaching staff consists of 26 teachers.
This school, which renders an immense service toward uplifting the education of the children of village of Nedungamuwa,has produced many distinguished alumni.