 In CBSE, a 95 per cent aggregate is 21 times as prevalent today as it was in 2004, and a 90 per cent close to nine times as prevalent.In the ISC Board, a 95 per cent is almost twice as prevalent today as it was in 2012.CBSE called a meeting of all 40 school boards early in 2017 to urge them to discontinue “artificial spiking of marks”.