1: Expected short article in favour of the curriculum (3,3,3,6)
2: Fails to get attention from American season, hence dean whips up concerns (5,2,4,4)
3: Castro led, granting that uprising (5)
4: Small piece of fish (3)
6: Starting again, beginning at eight and travelling West (4,2,6,3)
7: The louse, initially, by attention and a quirk of speech, interrupted pervert (8 7)
9: An unthinking person for the most part, relative eats red fruit (9)
11: Firework for Kennedy ends right in a hollow part (9)
13: Oddballs go right to Kansas (5)
15: City that cowboys used to avoid (5)
20: The world's broken heart (5)