2017 SAT SUB 各科考生数目， 数学II最多，14万

数学 II 满分大概2万八，前十名的学校招生大概两万。。。

差不多都能进前二十名的学校了吧，光从成绩看的话。。

https://blog.prepscholar.com/the-complete-list-of-sat-subject-tests

Now, let's take a look at how many students take each SAT Subject Test, from most to least. We'll also show you the average scores these students achieve on the tests:

SAT Subject Test	Average Score	# of Test Takers (2017)
Math Level 2	694	140,674
Chemistry	665	68,536
US History	647	58,926
Physics	664	56,243
Math Level 1	605	51,195
Literature	612	48,491
Molecular Biology	648	38,299
Ecological Biology	617	30,253
Spanish	649	16,803
World History	626	14,100
French	629	6,096
Chinese with Listening	759	4,143
Latin	616	2,363
Spanish with Listening	669	2,266
Korean with Listening	761	1,712
French with Listening	667	1,249
Japanese with Listening	702	1,152
German	618	620
German with Listening	614	453
Italian	662	453
Modern Hebrew	614	325