The 12-month timeline
The Class of 2027 will hit Common App deadlines in Nov 2026 (ED/EA) and Jan 2027 (RD). Start the application process in June of junior year — 18 months out — and treat senior year as the execution phase, not the research phase.
Summer before senior year — build your list + draft essays
The Common App opens August 1. Accounts carry over to the next cycle, so creating it in June works. Your final school list should have 7–10 schools: 2 financial safeties, 3–4 targets, 2–3 reaches. Base targets on admit rate + your stats at the 50th–75th percentile of admitted students (available on each school’s Common Data Set).
The personal essay (650 words) is the #1 differentiator at holistic-review schools. Draft 2–3 versions in June. By August, you should have a finished main essay plus outlines for each school’s supplements.
Early decision vs. early action vs. regular
- Early Decision (ED): binding. If admitted, you must enroll. Admit rates are 2–3x higher at Penn, Duke, Vanderbilt, Cornell. Apply ED only if you can afford the financial aid offer.
- Early Action (EA): non-binding. Most schools allow EA + other schools’ RD. Harvard, Stanford, Yale, Princeton have restrictive single-choice EA (no other early apps to private schools).
- Regular Decision (RD): most schools Jan 1 or Jan 15. Admit rates are lower than ED but you keep full flexibility to compare aid offers before May 1.
Test scores — timing matters
October SAT and September ACT are the last test dates that score in time for Nov 1 ED/EA deadlines. Don’t bank on the November dates — schools are inconsistent about late score accept. For RD, December tests are fine. Most schools now let you self-report scores for the app and only require officials if you matriculate — saves $12–18 per rush report.
Recommendation letters — the ask
Request from 2 core-subject teachers (math, science, English, history, language) from junior year. Give them 6+ weeks, a resume, and a one-page “brag sheet” with your goals, accomplishments, and specific moments from their class. Counselor rec is separate and usually handled through your school.
The activities list — 10 slots, not 30
Common App limits you to 10 activity entries. Order by impact, not chronology. Lead with leadership + numbers + years of commitment. “Led 12-volunteer food-bank team; reorganized intake system to serve 40% more families (2023–present)” beats “Volunteered at food bank.”
Supplemental essays — the workload surge
Most selective schools require 2–4 supplements each. A 10-school application list = 20–40 supplement essays. Start them in September. “Why this college” essays need specifics: name 2 professors, a class sequence, a club, a research center. Generic essays read as generic; schools notice.
Financial aid — FAFSA + CSS Profile
FAFSA opens Oct 1 for most cycles. CSS Profile opens the same day. Submit both by each school’s priority deadline (Nov 1 for ED, Jan 1–Feb 1 for RD). Missing the priority deadline means you’re in the general pool for institutional aid — which usually means no aid, period.
May 1 — National College Decision Day
Submit your $300–$800 enrollment deposit by May 1 at your chosen school. If you’re waitlisted somewhere you still want, keep working that relationship through May — waitlist movement happens right after May 1 as other students decline.
Related tools
For FAFSA prep specifically, see FAFSA prep checklist. For first-year planning, see first semester checklist. Compare schools’ cost with college cost compare.