Feeder schools
Which high schools send the most graduates to University of Pennsylvania?
151 high schools publish a numbered matriculation list that names University of Pennsylvania — 1029 enrolled graduates between them. 10 publish a numbered list of college acceptances that names it — 47 admissions between them, counted at each college. Ranked per class year, in two separate lists, with each school's published total and its own years beside it.
Section 1 of 2
Enrolled (from schools' matriculation lists)
Where each school's graduates actually enrolled, as that school published it. One graduate, one college.
Showing the 25 schools with the largest per-class-year figures, of 148 whose matriculation lists name University of Pennsylvania and carry a readable class-year window.
Published, but not ranked
These schools publish a numbered list of where their graduates enrolled whose class-year window we cannot read as a span — "Since 2023", or a list with no class year printed on it. Their published totals are real and are shown here; a per-class-year figure would be a number the school never published, so they are listed rather than ranked.
Section 2 of 2
Admitted (from schools' acceptance lists)
Where each school's graduates were admitted, as that school published it — a different document from the list above, and never added to it. Admits are counted at each college, so a student admitted to several colleges appears on each one's list, exactly as a student admitted to three UC campuses counts three times in the UC Reach Score.
How these lists are built
208 high schools publish a numbered matriculation list — where their graduates actually enrolled, counted, in the school's own School Profile or matriculation page. We read University of Pennsylvania's row off each of those documents.
Enrolled
Ranked by graduates per class year enrolling at University of Pennsylvania, from each school's own published list: the number that school printed, divided by the class years its list covers. The published total and the school's own years label are shown beside every school, so a one-year list and a five-year list can sit on the same page. A list whose class years we cannot read is not divided by a guess — it is listed below with its total instead.
18 high schools publish a numbered list of college acceptances — where their graduates were admitted — in the same kind of school-published document.
Admitted
Ranked by admissions per class year to University of Pennsylvania, from each school's own published acceptances list: the number that school printed, divided by the class years its list covers. Admits are counted at each college a student was admitted to, the same way the UC Reach Score counts a student admitted to three UC campuses three times — so this is a count of admissions, not of students. The published total and the school's own years label are shown beside every school, and a list whose class years we cannot read is listed below with its total rather than divided by a guess.
Enrolled and admitted are two different published lists and are never mixed: an enrollment list counts the graduates who actually went to a college (one student, one college), while an acceptances list counts every college that admitted them — so a student admitted to three colleges appears three times, exactly as a student admitted to three UC campuses counts three times in the UC Reach Score.
Where a school labels its own columns, the window comes from the column the counts sit in — a list headed "the classes of 2021-2025" whose first column reads "Class of '25" is one class year, not five.
College names are matched exactly as each school printed them, against the federal name or a curated spelling. A name that could mean two colleges is left out rather than guessed, so a count here can be lower than the count on the school's own page.
Where one document printed two rows that both belong to University of Pennsylvania — a conservatory inside the university, two campuses under one federal id — the larger published row is shown. Adding them would be arithmetic the school never did.
What absence means
A school that is not on this page did not publish a numbered matriculation list we could read — that is all absence means here. It is never a statement about a school's graduates. Lists of acceptances (where students were admitted, not where they enrolled) are never counted in this ranking: an acceptances list runs about three times an enrollment list, so counting the two together would compare different things. Those lists are ranked on their own, separately.
A school that is not on this page did not publish a numbered list of the colleges that admitted its graduates — that is all absence means here, and it is never a statement about a school's graduates. Many schools publish only where their graduates enrolled; those lists are ranked separately, because an acceptances list runs about three times an enrollment list and the two are never added together or ranked against each other.
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