Tha full meaning of GSU is Gagan, Sanjoypur & Uttamnagar. The respected people of this three villages made an association named GSU "Polly Mongol Samitee" according to the names of this three villages unanimously. Then a High School named "G S U High School" was situted according to the names of this three villages in the year of 1965 by them. The SSC & JSC examination results are suitable continously. Corrently it is a famous High School in Jhalakathi District.