School
2013
% Graduating
Seniors Who 

Have Passed
At Least
1 AP Test
Bronxville 95.0% (2012)
Rye 88.70%
Edgemont 87.0%
Jericho 85.0%
Chappaqua 79.10%
Dobbs Ferry* 79.0%
Adlai Stevenson
Lincolnshire, IL
Per pupil spending:
$24,144
77.0%
Yonkers (2012)* 77.0%
Pleasantville 72.0%
Hastings 71%
Briarcliff (2012) 61.0%
Irvington
Per pupil spending:
$28,404 (2012-2013)
58.20%

*I assume (but don’t know) that both the Dobbs and the Yonkers figures are for IB tests.

UPDATE 11/23/2013: According to the high school principal, the most recent figure for Irvington is 63%. By graduation, 63% of last year’s seniors had passed at least one AP test with a score of 3, 4, or 5.

Why the AP pass rate matters

AND SEE:
AP pass rates
55.6% I.H.S. pass at least 1 AP exam by graduation
What is the Equity and Excellence score?
College readiness scores (US News)
Challenge Index’s unabridged methodology
By Jay Mathews 5/23/2011
Per pupil spending