He had been a deputy headteacher at the school during that time and was acting head while Alison Ross was on secondment at another school .
Booker had been teaching at KSHS for 11 years before he was appointed head in January 2012 .
Booker had been a Booker   at the school during that time and was acting head while Alison Ross was on secondment at another school .
Booker had been teaching at KSHS for 11 years before he was appointed head in January 2012 .