Help needed to name the pupils in this photograph sent by a Canadian FP.

Hugh's pic 2

 S4 1954/55

Back row: ?,           ?                Graham Stark,  Robert Henderson,  Graham Alexander,  Gordon Milne,             ?

Front row: Andrew Braid, Thomas Stanhope, Edward Callaghan, Pat Ross, ?, ? Ian Walker, Hugh Cox, Frank Galloway.

Contact scotsfolk@yahoo.co.uk.  Thank you.