Last year it was a mixture of NVR, VR & NR. But from this year it appears the admission rules have changed and it is Only NVR! I was surprised when someone mentioned to me. But check out the link below and have a readhttp://ttsonline.net/Uploads/documents/ ... n_2017.pdf
I've just selected this text from the document which explains:
Those who apply will be invited to attend for a non-verbal reasoning assessment to determine the band of ability within which they will be considered. Following this assessment, your child will be placed in one of nine bands of ability A, B, C, D, E, F, G, H or I, Band A being the lowest and Band I the highest. Within each band, places will be allocated as far as practicable over the full range of ability.