School counselors and principals are important roles within schools throughout the United States of America. Ambiguous role definitions and increasing expectations placed on both school counselors and principals has presented a strain on the relationship between school counselors and principals. The purpose of this causal-comparative study was to test the Adlerian theory that compares the differences of opinions between secondary school counselors' and principals' perceptions and expectations of the secondary school counselor and principal relationship for school counselors and principals in the United States. Findings indicated that secondary school counselors and principals equally value certain characteristics of the principal-counselor relationship, but have a statistically significant different ratings of some characteristics of the principal-counselor relationship. Findings in this research also identified differences between secondary school counselors and principals in time spent connected to the role of school counselors and principals. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]