Agricultural Education Career Development Events (CDEs) are educational activities that are organized and conducted by the Ohio Department of Education, Office of Career-Technical Education, Agricultural Education. They are designed to assess student competence in business and industry verified occupational skills, as detailed in the Agricultural and Environmental Content Standards. CDEs are a motivating force that stimulates occupational interests in and personal development of high school students enrolled in school-based agricultural education programs. The 2016-2017 Ohio CDEs Rules contains all official information regarding the Agricultural Education CDEs. Periodically, revisions may occur to CDEs operations. Such revisions can be found on this web page.