Go to the head of the class?

AROUND K1. Fry ought to get chewy K2. Impressionist and mother profit J1. Ms. Croft captures very young insect J2. Sal in Rebel Without a Cause and Moe in Horsing Around I. Program a can opener to sound like some horses H1. “Headgear for bishops in power” is wrong-sounding H2. Horse leaves the room for some time G. Wild emu met Coco bicycling into work, perhaps F1. Aye, Nancy embraces a Chinese city F2. “Bush,” rewritten to get longer, finally! E1. Air channel blocked by the front of the instrument E2. Golden boy Welles in Citizen Kane D1. Department store with Lost ArkTM D2. Unhealthy quartet of couples loudly cheer C. Herb skiers abused in highlands of Massachusetts B1. Code word for a furry alien adult B2. Outspoken tease worked on a nonpermanent basis A1. Initially exclaim, very loudly, “Summer in Paris is decadent” A2. Company and pound’s perverse political alliance DOWN 1. Wee man from Loire discussed Alaskan city 2. Drippy person who venerates the Show Me State? 3. Wings one singer coated with beer 4. Revenuers almost wipe out Times 5. Reportedly hit Key West from S. Formosa’s largest city 6. Wild oxen initially hurt poet Khayyam 7. Guys at middle of maximally crude list 8. Steals antimony, record or flip-flops 9. Let’s resume playing with Mr. Curry, a German (2 wds.) 10. 2009 Michelle Pfeiffer film set . . . er, in Chicago 11. Dog that is with physicist Marie 12. Last 80% of Hunt is nattier 13. Six letters held back by Claire Forlani, pertaining to a non-feast weekday 14. Revolutionary Cuban medicine is found within ninehundred-and-sixty-thousandth of a minute (abbr.) 15. James nakedly embraces the ultimate in rubbish, Alias (2 wds.) 16. Claim sauce on pork would be so fine after 3 in Bari 17. Test for future Bari workers involved salt (abbr.) 18. What you call someone that Cain hurt: “Abel” A B C D E F G H I J K