Swimming school owner Samantha Peel knows all about teaching children to swim – she raised her own four in Indonesia where the risk from open pools was all around. With drowning one of the leading causes of accidental death among youngsters in the UK, Sam, 43, now living in Takeley, has made it her mission to ensure children have easy access to lessons and grow up as confident swimmers, equipped with vital safety and survival skills and a healthy respect for water. As an already qualified swimming instructor with a love of scuba diving, two years ago she took the plunge and launched her swim s…