DecisionBook

Every US college. Real government data. On-device AI. 23 playbooks. Free, no accounts, no tracking. Built by a high schooler, for high schoolers.

Decision Book is the all-in-one college admissions companion built for high school students in the United States. Search any US college, explore every major they offer, and get personalized guidance on exactly what you need to get accepted — GPA, test scores, AP courses, extracurriculars, and essays.

YOUR PERSONAL MATCH ENGINE Enter your GPA, SAT/ACT scores, AP courses, and state. Decision Book instantly scores every college as a Reach, Target, or Safety based on YOUR stats. Build a college list, compare schools side-by-side, and see how improving your scores changes your matches with the What-If calculator.

REAL DATA, NOT GUESSWORK • Search 5,000+ US colleges powered by the College Scorecard (US Dept of Education) • See exact bachelor's programs each school offers with degree share percentages • Application deadlines (ED, EA, REA, RD) and legacy policies for 40+ top schools • AP credit policies from College Board's official database — 2,300+ schools • Median earnings 10 years after graduation and net price by family income • Campus map with Open in Maps for every school

TAILORED TO YOUR MAJOR Pick a major and see specific AP courses to take, extracurriculars that matter, essay tips, clubs and competitions to join, and school-specific advice. Content adapts to each school's selectivity — what Stanford expects is different from what your state school expects.

50+ STATE SCHOLARSHIPS + 15 NATIONAL AWARDS Set your state in your profile and instantly see scholarships you qualify for — from Georgia's Zell Miller to California's Cal Grant to Florida's Bright Futures. Plus national awards like QuestBridge, Gates, Coca-Cola Scholars, and Regeneron STS.

78 SUMMER PROGRAMS & INTERNSHIPS Curated directory of the programs admissions actually recognizes — RSI, MITES, COSMOS, Clark Scholars, NASA, Google STEP, SpaceX, NIH, and more. Filter by your major, see deadlines, cost, and selectivity.

23 EXPERT PLAYBOOKS Step-by-step guides on writing your personal statement, "Why This School" essays, building your college list, financial aid (FAFSA + CSS Profile), interview prep, teacher recommendations, and more. Plus specialized guides for athletes, international students, and first-gen students.

27 APPLICATION TOOLS • GPA Projector — log courses, track unweighted + weighted GPA • AP Checklist — track all 42 AP exams, auto-syncs to your profile • AP Credit Finder — real College Board data for 2,300+ schools • Activity Compressor — 150-character Common App descriptions • Application Tracker — per-school checklist with progress bars • Compare — side-by-side stats, cost, outcomes for 2-3 schools • What-If Calculator — see how score changes affect your matches • Decision Matrix — weighted scoring for final college decisions • 20 reference tools: essay prompts, email templates, interview questions, and more

ON-DEVICE AI (OPTIONAL) An on-device language model provides additional school-specific guidance. Runs entirely on your phone — no data leaves your device. Choose from three model tiers: Okay (bundled), Better, or Best (downloadable).

DARK MODE + LIGHT MODE Beautiful playful design with auto, light, and dark mode support. Built for the class of 2026 and beyond.

All data is stored locally on your device. No account required. No ads. No tracking.

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