For schools that do not specify that they would like 1.0 margins all around, and just specify a fontsize and page limit for the PS and résumé, are .8 or .9 margins generally ok?
I've read that personal statements should be 11 or 12 pt font, double spaced. Does the same apply to diversity statement, GPA addendum, etc? Additionally, do these ever begin with a salutation like "Dear Admissions"?