Teachers at Raleigh’s Carroll Magnet Middle School brought down the house during a pep rally Thursday morning. With the cheerleaders’ help, they launched into a flash mob dancing to Silento’s song. As well as being Head Coach of Cal’s Dance team , Jonni also is Co-Director of Dance Stars competition team in Manteca,Ca. There she has won choreography and speciality awards over the last 10 years. Jonni is looking forward…