▁town ▁centre . ▁By ▁ 1 9 3 6 , ▁the ▁School ▁had ▁out g rown ▁its ▁prem ises ▁and ▁was ▁split ▁into ▁Sl ough ▁Gram mar ▁School ▁for ▁boys ▁( 1 9 3 6 – 8 2 ) ▁in ▁Las cell es ▁Road ▁and ▁Sl ough ▁High ▁School ▁for ▁girls ▁( 1 9 3 6 – 8 2 ) ▁in ▁T win ches ▁Lane , ▁although ▁the ▁girls ▁stayed ▁on ▁in ▁the ▁William ▁Street ▁buildings ▁until ▁ 1 9 3 9 ▁when ▁their ▁new ▁buildings ▁were ▁ready . ▁ ▁The ▁original ▁Sl ough ▁Second ary ▁School ▁buildings ▁in ▁William ▁Street ▁were ▁re - used ▁during ▁the ▁Second ▁World ▁War ▁and ▁afterwards ▁as ▁temporary ▁school ▁accommod ation . ▁They ▁were ▁re develop ed ▁in ▁the ▁ 1 9 6 0 s ▁as ▁the ▁tower ▁blocks ▁of ▁Sl ough ▁College , ▁which ▁became ▁the ▁Sl ough ▁Camp us ▁of ▁Th ames ▁Valley ▁University . ▁The ▁area ▁is ▁being ▁re develop ed ▁again , ▁under ▁the ▁Heart ▁of ▁Sl ough ▁project . ▁ ▁Head master s ▁ ▁Mr ▁W . ▁Francis ▁Smith , ▁B A ▁( 1 9 1 2 – 2 5 ) ▁ ▁Mr ▁Ben ▁L le wel lyn ▁( Act ing ) ▁( 1 9 2 3 – 2 5 ) ▁ ▁Mr ▁Edward ▁Rud land ▁Clar ke , ▁MC , ▁MA ▁( C ant ab ), ▁FR GS ▁( 1 9 2 5 – 3 6 ) ▁and ▁continued ▁with ▁Sl ough ▁Gram mar ▁School ▁for ▁Boys ▁until ▁ 1 9