Steps taken with school accepting a second old boy, the Parisian (4,5)
I believe the answer is:
paso doble
'steps' is the definition.
(I've seen this before)
'school accepting a second old boy the parisian' is the wordplay.
'school' becomes 'pod' (I've seen this before).
'accepting' means one lot of letters goes inside another.
'second' becomes 's' (common abbreviation).
'old boy' becomes 'ob' (abbreviation).
'the parisian' becomes 'le' (definite article in French).
'a'+'s'='as'
'pod' going around 'as' is 'pasod'.
'pasod'+'ob'+'le'='PASO DOBLE'
'taken with' is the link.
This may not be correct. Some or all of it may belong to another bit of the clue.
Can you help me to learn more?
(Other definitions for paso doble that I've seen before include "Latin-American dance" , "Steps" , "Marching music" , "Bullfight music - ape's blood (anag)" , "quick dance" .)