The Breech School of Business Administration is a business school in Springfield, Missouri and is accredited by AACSB International, The Association to Advance Collegiate Schools of Business. AACSB International accreditation represents the highest standard of achievement for business schools worldwide. Majors To provide students diverse opportunities to expand their knowledge of the role business and economics in our globalized society, the Breech School of Business Administration offers the following six undergraduate majors in the traditional day program. Accounting Cyber-risk Management Economics Finance International Business Management Marketing