This crossword No. 13158 clues and answers were published on Wed 11 Jul 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13158 link.
All Across Clues and Answers:
5-across – Senior school student : SIXTHFORMER
7-across – One of five at the same birth : QUIN
8-across – Clothing collection : WARDROBE
9-across – Arizona city : PHOENIX
11-across – The King : ELVIS
13-across – Break completely : SMASH
14-across – Pakistani city : KARACHI
16-across – Together : ATTACHED
17-across – Power unit : WATT
18-across – Substance applied to finger ends : NAILVARNISH
All Down Clues and Answers:
1-down – Bovine animals : OXEN
2-down – World of bright lights, the theatre etc : SHOWBIZ
3-down – Plant related to the pumpkin, squash and cucumber : GOURD
4-down – What goes up when rain comes down? : UMBRELLA
5-down – Hampshire city : SOUTHAMPTON
6-down – Bunny’s home : RABBITHUTCH
10-down – On cloud nine : ECSTATIC
12-down – First mortal woman of Greek mythology : PANDORA
15-down – Push in a rude manner : SHOVE
17-down – Forsaken child : WAIF
This crossword has in total 20 where 10 are across and 10 are down.