Since you mention your stepdad, be aware that your biological father’s household income is also considered for need-based aid at schools which use the CSS Profile Non-Custodial Parent form. Unless the school uses FAFSA only, or explicitly states that it does not use non-custodial parent information, then be sure to include his household income in any net price calculator runs.
However, if your stepdad’s income is very high, that is probably a moot point.