Somebody posted the following shocking stats on another site. It gives the percentage of air cadets who have completed the different stages of gliding progression in the last 2 years.
Using the 1 April 2020 cadet statistics 3 (41720 RAFAC Cadets), for 18/19:
FAM, (ground school only): 14.1%
Blue Wings, (first flight): 4.6%
Bronze Wings, (3 flights): 0.73%
Silver Wings, (solo): 0.23%
Gold Wings Part 1: 0.029%
Gold Wings Part 1&2: 0.0024%
VGS Staff Cadet G2: 0.026%
VGS Staff Cadet G1: 0.011%
Only 1 cadet out of 41,720 has reached the pinnacle of air cadet gliding by getting parts 1 & 2 of their gold wings!