Permits undergraduate students with an approved study plan to apply credits earned outside their major department toward their major requirement by substituting those ISO credits for an equal number of credits normally earned in their home department. Between 3 and 12 ISO credits may be counted for major credit.

The purpose of the ISO is to permit students to augment their study in their major discipline in a meaningful way. This option is open to juniors in good standing with a cumulative GPA of 3.50 or higher. Applicants must submit a proposal in writing stating the reasons his/her major studies will be enhanced by study. The applicant's department head must submit course substitutions or waivers in Workday.