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Which high schools produce the most (left), and where it's the biggest part of the school's identity (right). People who came of age recently weigh more than those from earlier eras.

Most alumni

School	People	vs. typical
Phillips Academy Massachusetts	12	17.4×
Phillips Exeter Academy New Hampshire	14	9.8×
Collegiate School New York	4	22.2×
Horace Mann School New York	4	15.6×
St. Mark's School Massachusetts	4	18.8×
Stuyvesant High School New York	3	5.9×
Deerfield Academy Massachusetts	3	7.9×
Hotchkiss School Connecticut	5	6.0×
DeWitt Clinton High School New York	4	5.5×
Morristown-Beard School New Jersey	4	4.8×
St. Paul's School New Hampshire	3	4.5×

Biggest part of the school's identity

Shares are shrunk toward the national rate for small counts, and each school must clear a size-scaled minimum count.

School	% of its noted alumni	People
Collegiate School New York	4.2%	4
St. Mark's School Massachusetts	4.4%	4
Phillips Academy Massachusetts	2.0%	12
Horace Mann School New York	2.8%	4
Phillips Exeter Academy New Hampshire	1.1%	14
Deerfield Academy Massachusetts	1.2%	3
Hotchkiss School Connecticut	0.9%	5