All resources
Pick a tool. Get a real answer.
Each resource is a focused calculator, table, or guide — no fluff, no upsells. Save the ones you'll come back to and explore HIYP when you're ready for the full system.
Admissions
College admissions calculator
Estimate where you're competitive based on your GPA, test scores, and course rigor.
GPA & Grades
Weighted GPA calculator
Calculate your weighted and unweighted GPA from your high school courses.
Test Prep
SAT to ACT conversion
Convert SAT scores to ACT scores using the official concordance table.
Test Prep
ACT to SAT conversion
Convert ACT scores to SAT scores using the official concordance table.
Test Prep
SAT score percentiles
See what your SAT score means nationally and how it stacks up against other test takers.
Test Prep
PSAT to SAT conversion
Predict your SAT score from your PSAT and find the right prep window.
Test Prep
SAT vs ACT
Side-by-side comparison to help you decide which test fits your strengths.
Applications
Early Decision vs Early Action
Understand the difference, the trade-offs, and when each strategy makes sense.
Planning
How to prepare for college
A year-by-year guide to grades 9-12 - courses, activities, testing, and applications.
Planning
College checklist
An interactive, grade-by-grade checklist you can work through and save as you go.
Planning
College application timeline
Month-by-month application calendar from junior spring through senior spring.
