▁the ▁school ' s ▁principal . ▁In ▁ 1 9 2 1 ▁Rev . ▁Fr . ▁Ber ne art ▁took ▁over ▁the ▁administration ▁of ▁the ▁school ▁and ▁by ▁ 1 9 2 2 ▁it ▁had ▁ 1 1 0 ▁students ▁en rolled . ▁In ▁ 1 9 3 3 ▁Rev . ▁Fr . ▁P . ▁M . ▁B agu et ▁was ▁appointed ▁as ▁principal . ▁In ▁ 1 9 4 7 ▁St . ▁Mary ' s ▁College ▁was ▁elev ated ▁to ▁a ▁secondary ▁school , ▁with ▁classes ▁in ▁English , ▁Sin h ala ▁and ▁T amil . ▁The ▁same ▁year ▁the ▁house ▁system ▁was ▁re - int rodu ced ▁to ▁the ▁school , ▁with ▁the ▁houses ▁named ▁after ▁colours : ▁Red , ▁Blue , ▁Green ▁and ▁Gold . ▁In ▁ 1 9 6 0 ▁it ▁was ▁changed ▁to ▁a ▁government ▁school ▁with ▁ 6 8 8 ▁students ▁en rolled ▁and ▁ 3 6 ▁staff . ▁The ▁school ▁was ▁elev ated ▁to ▁a ▁national ▁school ▁in ▁ 1 9 9 5 . ▁In ▁ 2 0 1 5 ▁it ▁had ▁ 3 , 6 0 0 ▁students ▁with ▁ 1 6 4 ▁staff . ▁ ▁Notable ▁Al umn i ▁ ▁Jay an ath ▁Colomb age ▁- ▁Admir al , ▁Commander ▁of ▁the ▁Sri ▁L ank an ▁Navy ▁( 2 0 1 2 – 1 4 ) ▁ ▁Th ar anga ▁Par an av it ana ▁- ▁Test ▁Cr icket ▁Player ▁( 2 0 0 9 – 1 2 ) ▁▁▁ ▁K and iah ▁Th