A report on the drug claims was published by independent investigation team in March 2006 and was passed to the governors of the Royal Grammar School for scrutiny. Dingle was forced to resign from his post at St. George's School, [[Buenos Aires]], which he was due to take up after Easter 2006.ref He was later sacked from his post at the Royal Grammar School by the school governors, for "gross misconduct".ref The governors did state that there was no evidence to support the claim that he had used cannabis confiscated from pupils.ref
In February 2008, Dingle was told at a hearing in [[Birmingham]] by the that he was banned from teaching for two years after being found guilty of "unacceptable professional conduct".ref== Activities ==
A [http://www.rgshw.com/default.aspx?id=57 full list of RGS activities] can be found on the school's website. Below are a few of the most notable
The RGS SLST (Stage Lighting and Sound Team) run School assemblies, plays and functions, and may be joined by boys at or after, Academic Year 9. Kit purchases are primarily funded by the RGS PA.ref The team can be dated back to 1994,ref and maintains its own [http://www.rgsslst.net/ website].
The CCF ([[Combined Cadet Force]]) has Navy, Army and RAF sections open for boys in KS4 & 5 (Years 10 and above) where they learn new skills such as field-craft, map and compass, drill, leadership and first aid, while also taking part in activities such as weapon handling, sailing, and flying. It forms a part of a larger range of options (called TAA - or Thursday Afternoon Activities) that these year groups can choose to do during time-tabled-in free time on Thursday Afternoons, including sports, clubs, internal and external projects.