How to balance numbers of schools vs casting a larger net for best outcome (admission/aid)?

@Midwestmomofboys About ISU, I calculated S’s Regent Index and it is a 278 (although this is using their unofficial calculator but I think he definitely has an index of > 245). The admission requirement says:


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Applicants who achieve at least a 245 RAI score and who meet the minimum high school course requirements will automatically be offered admission.<<

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Based on these information, I guess ISU is an unofficial “auto-admit” safety school for S then.