Sigma Group was established in 2010. The initial aim of the trust was to create a school for the children dealing with povert ... y in America. The very first school of Sigma was built in America, the home country of the co-founder of Sigma, Shana Hand. Having about only twenty pupils at that time, we knew it was just the beginning. The motivation and the success of the alumni took us to the place we are now-around 1 million children and numerous schools worldwide. read more