A 1100 SAT score is a 21 ACT
A 1100 on the SAT converts to a 21 ACT composite on the official ACT and College Board concordance. Every SAT score from 1090 to 1110 lands on a 21, which puts you at the 50th+ percentile of test takers.
ACT equivalent
21
Percentile
50th+
SAT range for a 21 ACT
1090 to 1110
What a 1100 SAT means
Building range. A 1100 SAT sits at the 50th+ percentile. That sits below the 1200 SAT or 24 ACT line where scores start to read as above average.
Colleges treat SAT and ACT scores equally, so submit whichever test gives you the higher converted score. These are statistical equivalents based on large groups of students, so your own result on the other test can differ.
Source is the official ACT and College Board concordance tables.
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