Selection Index Formula:
Where:
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Definition: The Selection Index (SI) is a score used for National Merit Scholarship qualification, calculated from your PSAT/NMSQT test scores.
Purpose: It determines eligibility for the National Merit Scholarship Program and other recognition programs.
The formula used is:
Where:
Explanation: The Reading and Writing scores are combined and doubled, then the Math score is added to produce the Selection Index.
Details: The Selection Index ranges from 48-228 and is crucial for National Merit Scholarship consideration. Each state has different cutoff scores.
Tips: Enter your section scores from your PSAT/NMSQT score report. All scores should be between 8-38 (typical range).
Q1: What's a good Selection Index score?
A: This varies by state, but generally scores above 200 are considered excellent and may qualify for National Merit recognition.
Q2: How does this relate to the PSAT score range of 320-1520?
A: The 320-1520 score is your total score (R+W+M multiplied by 10). The Selection Index uses a different calculation for scholarship purposes.
Q3: When are Selection Index cutoffs announced?
A: Cutoffs are typically released in September of the year following the PSAT administration.
Q4: Can I improve my Selection Index?
A: The PSAT/NMSQT is only offered once per year in October. You cannot retake it for National Merit purposes in the same academic year.
Q5: Does the calculator work for the PSAT 8/9 or PSAT 10?
A: No, this calculator is specifically for the PSAT/NMSQT taken in 11th grade for National Merit consideration.