Make sense of college admissions data

Practical explanations from Assertion Labs, grounded in the definitions used in this project.

• How to compare college acceptance rates

  Compare college acceptance rates fairly: match reporting years and admission rounds, distinguish open admission, and avoid treating rates as personal odds.

• What SAT and ACT 25th–75th percentiles mean

  Understand the middle 50% SAT and ACT range, why it is not an admission cutoff, and why SAT section percentiles cannot be added.

• How to use a college Common Data Set

  Learn how to read college Common Data Sets, track reporting years, and distinguish admissions requirements from factors used in selection.