Top of the Bench is a national competition run by the RSC for 14-16 year old students. The competition begins with heats run by RSC Local Sections to select a team to represent the section in the UK final.
The teams should consist of:
two students from Year 9 (in Scotland one from S2)
one from Year 10 (in Scotland two from S3), and
one from Year 11 (in Scotland one from S4).
The selection period is usually during the autumn term (around October-November) and the selected school team is nominated in early December. http://www.rsc.org/Education/events-and-competitions/top-of-the-bench/