Some data mining for Americans in the incoming Class of 2022, major kudos to all of these people:
INTERNATIONAL MATHEMATICAL OLYMPIAD 2018
James LIN, '22: 2017 IMO Gold medal, rank #6; 2018 IMO Gold medal, absolute winner, perfect score
Andrew GU, '22: 2017 IMO Gold medal, 2018 IMO Gold medal
Mihir SINGHAL, '22: 2018 IMO Gold (40/42 points), rank #3
Michael REN, '22: 2018 IMO Gold
USAMO FINALISTS who were not selected to represent the United States (1/10)
Joshua LEE, '22
USABO National Finalists 2018 (USA did not participate in the IBO 2018): (2/20)
Alexander TSAO, '22; plus Alexander won a 2017 IBO gold medal, rank #2
Jason YANG, '22
**USNCO National Finalists 2018:/b
Aniket DEHADRAI '22
Yutong DAI '22
IChO 2017
(all of the team that represented the United States in IChO 2017 is at MIT, and last member, Joshua PARK '22 is joining them)
**US Physics Team 2018:/b
Swapnil GARG '22 (also a 2017 USACO Finalist)
Michelle SONG '22: also representing the United States at the IPhO 2018 (results tomorrow); IPhO 2017 Silver medal
Shannon WENG '22
YuQing XIE '22 (also representing the United States at the IPhO 2018)
**2018 USACO Finalists, graduating in 2018:/b
Spencer COMPTON '22 (also a 2017 USACO Finalist)
William HU '22
(The IOI will be in September)
**2017 USACO Finalists, who graduated in 2018:/b
Spencer COMPTON '22 as above
Swapnil GARG '22 (who is also on the 2018 US Physics Team)
Jason ZHAO '22
Willliam LUO '22
Karthik NAIR '22
**Regeneron STS Finalists 2018/b
Maggie CHEN '22
Skyler JONES '22
Andrew KOMO '22
Michael MA '22
Rajiv MOVVA '22
Nitya PARTHASARATHY '22
Syamantak PAYRA '22
Dylan PENTLAND '22
Abilash PRABHAKARAN '22
Muhammad RAHMAN '22
Michael REN (!!!) '22, who is also an IMO 2018 gold medalist
Haniya SHAREEF '22
David WU '22
Alice ZHANG '22