Wat Bangwua School (Sai Sermwit) was a school that opened before the Elementary Education Act of 1921, using the Sermon Pavilion at Wat Usaparam (Bang Wua) as an educational institution in 1921, Phra Khru Thammakit Janurak (Chu Maitrichit) and Relatives bought land from Mrs. Ploy Suaisuwan and built a permanent building for her, hip-shaped, 26 meters long and 8 meters wide, with 2 front porches and a high basement, given to the government on May 16, 1931, named “Bang Wua Subdistrict Public School. (Sai Sermwit)" The word "Sai" is the mother's name of Phrakru Thammakitjanurak. In 1959, Phrakru Thammakitjanurak bought the land of Ms. Sud Poombundit, amounting to 8 rai, amounting to 8,000 baht, to be The place where the school was built later changed its name to "Wat Bangwua School (Sermwit line)” until today.