Complex sentence: The Commonwealth Secondary Scholarship Scheme was replaced by a system of secondary allowances which were made available on a basis of financial need, while an isolated children's allowance was introduced to compensate for the educational disadvantaged incurred by children living in remote parts of the country.
Split into simpler sentences: The Commonwealth Secondary Scholarship Scheme was replaced by a system of secondary allowances which were made available on the basis of financial need. An isolated children's allowance was introduced to compensate the educational disadvantages faced by children living in remote parts of the country.