Complex sentence: According to the Hindustan Times, Sanskriti School has been ranked the best school in Central Delhi in 2009 and second best in 2010, while in 2015, it was ranked as the 6th best school in Delhi and the second best in Central Delhi.
Split into simpler sentences: According to the Hindustan Times, Sanskriti School has been ranked the best school in Central Delhi in 2009 and second best in 2010. In 2015, it was ranked as the 6th best school in Delhi and the second best in Central Delhi.