SONAR BANGLA HIGH SCHOOL IS A BETTER SCHOOL OF KATHALIA UPAJILLA. THE SCHOOL WAS FOUNDED BY MD. MOJAHARUL HAQUE HOWLADER ON 1ST JANUARY 1973. THERE ARE 10 DONOURS AND LAND AREA IS 2.50ACRE. THE HISTORY OF THE SCHOOL IS KNOWN TO ONLY FOUNDER MD. MOJAHARUL HAQUE HOWLADER. THE FIRST HEADMASTER OF THIS SCHOOL WAS NISHI KANTO SAMADDER. THE FIRST RECONGINATION OF THIS SCHOOL IS ON 14-08-1974 FROM CLASS (VI-X). THIS SCHOOL IS SITUATED IN RURAL AREA WITH PEACEFULL CHARMING PLACE AND A BIG PLAY GROUND BY THE SIDE OF A RIVER AND NEAR A BAZAR NAMED SONARBANGLA.