Pattaya City 9 School (Wat Phothi Samphan) was established on September 2, 1955, as a school established by the district under the Elementary Education Act. with the patronage of Provost Phothisarnprasat (Reverend Father Boonmee Akkhapunyo), former abbot of Phothi Samphan Temple Along with the people have requested the establishment of a concentrated school. by using the sermon hall of Wat Phothi Samphan open for the first time and the government gave the name of the school "Wat Pho Samphan School"