I don't recall why I was Googling "assaults in Kilmarnock", but anyway in amongst all the court transcripts and reports, I stumbled on the official Kilmarnock Academy website where, amongst all the usual self-congratulation and window-dressing for parents, it said
Once again we fielded a strong team of prosecutors, defenders, accused and witnesses. We were relieved to have our Head Boy acquitted on a serious assault charge, despite his very obvious guilt. The positive impact of a smart suit was noted.
Sounds like they stacked the courtroom with old school stooges and the guy wore his Sunday best. What is Britain coming to? In my day, I never got any advantage, even with allegedly the best school tie in Glasgow.