Complex sentence: He was the of his local Springfield school, which gave him an automatic scholarship to the private school, Allan Glen's, Glasgow, which he turned down because he did not want to be separated from his working class friends.
Split into simpler sentences: He was the of his local Springfield school, which gave him an automatic scholarship to the fee-paying Allan Glen's School in Glasgow. He turned the scholarship down down because he did not want to be separated from his working-class friends.