Complex sentence: Initially designed to identify the 0.5% of students from each academic year with the highest verbal, mathematical and spatial ability (as determined by two rounds of tests), the programme has now been expanded to 1% of the students from each academic year.
Split into simpler sentences: Initially designed to identify the 0.5% of students from each academic year with outstanding intelligence. The programme has now been expanded to 1% of the students from each academic year.