article_snippet: A teacher who complained about an unruly pupil and went on sick leave was spied upon by the local education authority while Teacher Kim Davies was on sick leave.
article_snippet: Caerphilly County Council took the drastic action after suspecting the mother-of-two was defrauding the sickness absence system - but the Information Commissioner's Office later ruled the local education authority was wrong to begin the surveillance.
article_snippet: This issue unravelled following a complaint about the safety of pupils and staff.
article_snippet: The GTCW heard that Mrs Shaw, from Blackwood, south Wales, became embroiled in a row with bosses at Pontllanfraith Comprehensive School after lodging a complaint about a problem pupil's 'threatening behaviour'.
article_snippet: During she period of suspension, This issue was found she breached confidentiality rules during Pontllanfraith Comprehensive School's internal disciplinary processes and made 'vexatious allegations' to exam board WJEC in an attempt to bring Pontllanfraith Comprehensive School into disrepute.
article_snippet: Ms Davies had raised issues at Pontllanfraith Comprehensive School, pictured, about a 'problem pupil'
article_snippet: However, while the row rumbled on the row emerged that Caerphilly Council paid private investigators £3,600 to tail Mrs Shaw for three days - a move the Information Commissioner's Office later called 'unlawful'.
highlights_snippet: Caerphilly Council thought Teacher Kim Davies was trying to defraud the system .
  