RBSE Rajasthan Board 12th Science Result 2020 LIVE: Last year, record-high percentage of 92.88 per cent students had cleared the science stream exam. It was one of the best performing steams for the Rajasthan board. It would be worth seeing if the stream can keep up with the last year’s performance. A total of 2,60,582 candidates registered for the class 12 Science exam in 2019. This year, as many as 2,39,800 registered for the RBSE class 12 science exams.