Every school files a Common Data Set, and every school leaves parts of it blank. The blanks are not noise. Read correctly, an empty cell tells you something the filled ones can't — and read wrong, it produces confident sentences that are simply false.
There are three kinds of blank, and telling them apart is most of the skill.
Blank #1: the thing doesn't exist
Twenty-three of the schools we track report no Early Decision plan at all — UCLA, Michigan State, Ohio State, Stanford, Notre Dame, UNC, Florida Atlantic, and others. Section C21 is empty because there is no binding round to describe.
Here the blank is a fact, and a useful one: at these schools there is no ED card to play. Stanford, for instance, runs Restrictive Early Action — you apply early and hear early, but nothing binds. Anyone telling you to "apply ED to Stanford to boost your odds" is describing a round that does not exist.
Blank #2: it exists, and the school didn't report it
The University of Chicago runs Early Decision I and Early Decision II. Its filing reports no ED counts.
This is a completely different situation from blank #1, and the cell looks identical. UChicago has operated binding rounds for years; it simply doesn't publish the applied/admitted numbers in the standard section. Same for Cornell on a different axis: Cornell publishes rich Early Decision data, but reports no figure for institutional aid to international undergraduates — while dozens of peers do.
Nothing improper is happening. The CDS is voluntary in practice, and schools choose what to complete. But it means the honest sentence about UChicago's ED rate is "they don't publish it," not "they don't have it" — and the honest sentence about Cornell's international aid is "unknown from this document," not "zero."
Blank #3: the answer is zero, and the school says so
The rarest and most decision-relevant. Some schools state affirmatively that institutional aid is not available to international undergraduates. Carnegie Mellon, UNC–Chapel Hill, Georgia Tech, UVA, and USC file that way.
This is a blank that carries a number, and the number is zero. For an international applicant, that converts a school's sticker price into its real price — a conclusion you cannot draw from blank #2, and must not draw from blank #1. We cover which schools do fund international students here.
Why the distinction gets destroyed downstream
Aggregators don't have a way to display "we don't know." A table with a column called ED acceptance rate needs something in every row, so blanks become dashes, dashes become zeros, and by the third site it reads as a fact. This is one of the four mechanisms behind the same school showing different numbers everywhere.
Our rule is deliberately unhelpful-looking: when a school hasn't reported an axis, we render nothing on that axis. No estimate, no proxy, no "approximately." A page with a gap in it is telling the truth about what's known; a page with an inferred number is telling you a guess in the voice of a fact.
What to do when you hit a blank
- Check whether the program exists before concluding anything. School admissions pages state their rounds even when the CDS doesn't count them.
- Ask the school directly. "How many international students received institutional aid last year, and what was the average?" is a fair question, and the answer — including a non-answer — is informative.
- Treat unknown as unknown in your planning. An unpublished ED rate is not a bad ED rate; it's a round you're entering without visibility. That may still be the right call, but you should know which kind of decision you're making.
Counts from the schools' own published Common Data Sets, cycles labeled on each school page. Results are data-based analysis and do not guarantee admission.
See your list against what's actually published — free.