An ACT score of 21 is just slightly above average. The average ACT score is around 20. The highest ACT score possible is a 36.
If you earned a composite score of 21 on the ACT, your national rank is 59. ACT national rank is the number of students who scored higher or lower than a certain score.
Students with a 21 on the ACT scored better than 59 percent of all students who took the exam. 41 percent of students who took the ACT in the last few years got a score lower than 21.
Many of the most-selective colleges have an average ACT range of 32-36. Very selective colleges usually have an average ACT range of 27-31. Somewhat selective colleges usually have an ACT range of 25 - 29. Less selective colleges typically have an average ACT range of 18-24.
Preparing for the ACT can turn a good ACT score in an excellent one. Take an ACT practice test to see which areas you are strong in and where you can improve. Focus your ACT prep on the areas where you have the most opportunity for improvement to get the best ACT score possible.