At forty schools, more than half the incoming class is filled before regular decisions go out, and the trend is accelerating.
At Davidson College this year, 69 percent of the incoming freshman class was admitted through Early Decision. At Middlebury and Emory the figure was 68 percent, at Bucknell and Claremont McKenna 67 percent. At Washington University in St. Louis, two-thirds of the class, more than 1,200 students, had committed to attend before most high-school seniors had even submitted their regular applications.
These are not isolated cases. Across the roughly 143 selective colleges that offer Early Decision, the average school now fills about a third of its incoming class through binding early commitments. Forty fill more than half. And the share is growing. The aggregate portion of incoming classes filled through ED rose from 31.9 percent in the 2022-23 cycle to 34.6 percent in 2024-25, a real move in just three years.
Early Decision has become the single most consequential strategic variable in selective admissions. It carries more weight than test scores, is more predictable than essay quality, and is more controllable than almost anything else in the process. For families who understand it, ED is a powerful tool. For families who do not, or who cannot afford its terms, it narrows their odds without their realizing it.
A Third of the Class, Decided by December
Early Decision lets an applicant apply to a single school under a binding commitment. If admitted, the student agrees to enroll and to withdraw all other applications. Most ED deadlines fall in early November, with decisions in mid-December, and many schools run a second round, ED II, with January deadlines.
The appeal to colleges is straightforward. Every ED applicant who is admitted enrolls, which gives the admissions office 100 percent yield on those admits and lets it shape the class with certainty, locking in recruited athletes, legacies, and students with specific academic profiles before the regular round introduces any uncertainty.
Our analysis of Common Data Set reports from 362 selective schools across three years, 2022-23 through 2024-25, shows the scale of this reliance. Among schools that offer ED, the median share of the incoming class admitted early is now 33 percent, and the mean is 34.4 percent. Those averages hide the top of the distribution, where ED has become the main pathway in rather than a supplement to the regular round.
The schools filling more than half their class through ED span every kind of selective institution. They include Ivy League members (Columbia at 54 percent, Brown at 52 percent, Penn at 52 percent, Dartmouth at 58 percent), major research universities (Duke at 60 percent, Northwestern at 56 percent, Vanderbilt at 53 percent), and elite liberal arts colleges (Middlebury at 68 percent, Grinnell at 65 percent, Bates at 63 percent, Haverford at 57 percent).
The schools missing from this list are the ones that use early action rather than binding Early Decision, among them Harvard, Yale, Princeton, Stanford, and MIT. Their early programs let admitted students compare offers instead of committing, so the early round does not lock in yield. Most of these run restrictive or single-choice early action, while MIT’s is non-restrictive, but the common thread is that none of them bind the student, which is a different proposition from ED.
The Early Decision Admit-Rate Advantage
For applicants, the most important pattern in the data is that the admit rate for Early Decision is well above the overall rate at most selective schools. Across the 140 schools where we have both, the ED rate averages 47 percent against an overall rate of 39 percent, a raw gap of 8 points. The advantage widens sharply at the top. Among the 32 Most Selective schools in our set, the ED rate averages 23 percent against an overall rate of just 9 percent, a 14-point gap, which puts an ED applicant’s odds at roughly 2.5 times a regular applicant’s.
The school-level numbers are sharper still. At the College of the Holy Cross the ED rate is 67 percent against an 18 percent overall rate, a 49-point gap. Tulane admits 59 percent of ED applicants against 14 percent overall. Northeastern admits 43 percent against 5 percent. Those are different admissions processes depending on when a student applies, not small variations.
Three things drive the gap. First, ED applicants self-select toward strong, committed candidates who have done their research. Second, schools place real value on the binding commitment because it removes yield uncertainty. Third, at many schools the early round is where institutional priorities get met, since recruited athletes, development cases, and legacy admits are concentrated there, which lifts the ED acceptance rate above the regular pool, where unhooked applicants compete for the seats that remain.
The pattern holds at the Highly Selective tier, where the ED rate averages 37 percent against 24 percent overall, a 13-point gap. It narrows at less selective schools, where overall rates are already high enough that the early boost is marginal. The advantage is largest exactly where admission is hardest.
ED’s Share Is Still Growing
The most important point for families deciding right now is that ED’s dominance is still climbing. Between the 2022-23 and 2024-25 cycles, a large number of schools deepened their reliance on the early round.
The fastest-growing programs show deliberate intensification. Northeastern raised its ED share from 35 to 54 percent in three years, close to doubling its reliance on binding admits. Boston University moved from 44 to 59 percent, Duke from 47 to 60, and Bucknell from 54 to 67. These are structural changes in how the schools build a class, not minor adjustments.
A few schools went the other way. Pomona fell from 67 to 51 percent, though it still fills a majority early. But the broad trend runs toward more ED, with the aggregate share across all ED schools climbing from 31.9 to 34.6 percent over the window and the schools at the top pushing toward 70 percent, a level that would have been hard to imagine a decade ago.
Who Benefits and Who Loses
ED’s growth raises real questions about access. The binding commitment means a student has to commit to a school before seeing a financial aid package from anywhere else, with no chance to compare offers. For an affluent family confident it can afford any school, that is a strategic choice. For a family that depends on aid, it is a gamble, and one that works against them structurally.
Schools have tried to address this. Most promise to meet 100 percent of demonstrated need for ED admits, and most let a student withdraw from the commitment if the aid offer is clearly inadequate. The reality is messier. The word inadequate is subjective, the release process can be stressful and adversarial, and the information gap between a 17-year-old and an admissions office is wide. Many counselors say students from lower-income backgrounds avoid ED entirely, not for lack of strong preferences but because they cannot afford the risk.
The data backs the concern indirectly. As ED has grown from about a third to more than half the class at many schools, the seats left for the regular round have shrunk accordingly. At Davidson, only 31 percent of the class enters through regular decision. At Middlebury, 32 percent. A regular-round applicant to one of these schools is competing not for the full class but for whatever remains after ED, so the real regular-round acceptance rate is well below the published overall figure.
What This Means for Families
- If you have a clear first choice, Early Decision sharply improves your odds. This is the single most useful tactical move in the whole process. At the most selective schools, ED applicants are admitted at roughly 2.5 times the regular rate, and at the next tier down, places like Davidson, Middlebury, Grinnell, and Colgate, the relative gap is wider still. If you have done the research, seen the campus, and are sure, ED is the strongest signal you can send, and it carries a measurable benefit.
- Treat the regular round as harder than the headline number. When a school reports a 15 percent overall rate, that blends an ED round admitting at maybe 25 to 40 percent with a regular round admitting at 8 to 12 percent. At schools that fill 60 percent or more of the class early, the regular round can be far more selective than the published rate suggests, so adjust your expectations downward for heavy-ED schools.
- Do not overlook ED II. Many schools run a second binding round with January deadlines. ED II carries the same yield-guarantee benefit as ED I, and while the pool is smaller, the value of a binding commitment still applies. A student deferred or denied in ED I at a first choice can recover much of the advantage by going ED II at a second choice.
- The aid question is real but workable. Run net price calculators before applying ED. Any school that takes federal aid must provide one, and the estimates usually land within 10 to 15 percent of the actual award. If the calculator says a school is affordable, the risk of a bad aid surprise is low. If you are on the margin, run the calculator at several schools and apply ED where the estimated net cost sits most clearly within budget.
- A school that fills 60 to 70 percent of its class early is telling you that demonstrated commitment carries enormous weight. If you apply there in the regular round without signaling interest some other way, through a visit, an interview, or contact with a regional rep, you are at a real disadvantage against applicants who already committed through ED.
- Do not confuse early action schools with ED schools. Harvard, Yale, Princeton, Stanford, and MIT use non-binding early action, not Early Decision. Because these schools cannot count on enrolling their early admits, the yield effect that inflates ED acceptance rates does not apply the same way. Applying early to one of them signals interest but does not carry the statistical edge of a binding ED application.
How the Early Round Took Over
Early Decision has been part of selective admissions for decades, but its current scale is new. A generation ago, most schools filled 15 to 25 percent of their classes through early programs. Today many fill 50 to 70 percent. That is a structural change in how selective colleges build a class, not a small shift in tactics.
For admissions offices the appeal is clear, since ED delivers certainty, yield management, and the ability to front-load institutional priorities. For high-information families with the means to commit early, it is a large advantage. For everyone else, the families who need to compare aid offers, the students still deciding in January, the first-generation applicants who hear about ED too late, the system’s growing reliance on binding early commitments narrows an already narrow path.
The data across three years tells a consistent story. The early round keeps expanding, and it shows no sign of slowing. Whatever a family thinks of it, understanding how it works and where the advantages sit is part of applying to selective schools as they operate now.
Methodology
This analysis draws on Common Data Set reports from 362 selective colleges across three admissions cycles, 2022-23, 2023-24, and 2024-25. The CDS is a voluntary annual self-report completed by most U.S. colleges, in a standardized format that allows cross-institution comparison.
The data comes from Section C of each institution’s CDS, the first-time, first-year admission section, specifically the fields for total freshman admits, total freshman enrolled, and Early Decision admits. The share of the incoming class filled through ED is calculated as ED admits divided by total freshman enrolled, which serves as a proxy because binding ED admits almost all enroll.
ED admission rates and overall admission rates come from a supplementary master dataset of 312 selective institutions. The ED admission rate is ED admits divided by ED applicants. The overall rate is total freshman admits divided by total freshman applicants. The ED advantage is the simple difference between the two.
A few limitations apply. CDS reporting is voluntary and some fields are inconsistently reported. A small number of institutions did not appear in all three years. The ED-versus-overall comparison does not control for differences in applicant quality between the early and regular pools, and ED applicants are likely stronger on average, which would account for some though almost certainly not all of the gap. Schools whose early programs are non-binding (Harvard, Yale, Princeton, Stanford, MIT, Georgetown, and Notre Dame) are excluded from the ED-specific analyses, since they run early action rather than binding Early Decision; most use restrictive or single-choice early action, while MIT and Georgetown use non-restrictive early action. Finally, the analysis combines ED I and ED II admits, and the split between the two is not consistently reported.
Data sources: Common Data Set reports (2022-23, 2023-24, 2024-25) compiled from individual institutional filings. Supplementary admissions data from a master dataset of 312 selective institutions. All percentage calculations by the authors.
