Lesbian, gay, bisexual, transgender, and queer (LGBTQ) students are at-risk for high rates of bullying and harassment in the school setting. School counselors are uniquely positioned to provide support to LGBTQ youth and work alongside building principals to create safe and welcoming school environments. To build on existing literature, this researcher set out to examine how demographic factors and the school counselor-principal relationship influenced school counselor advocacy for LGBTQ youth. By examining these factors, school counselors are better informed about the roadblocks or barriers that might influence their advocacy efforts. In addition, this information helps counselor educators to better prepare school counselors as advocates and change agents. An anonymous survey with questions about demographics, attitudes, knowledge, and advocacy activity was completed by 169 practicing school counselors in the United States. Results revealed that sexual orientation of the counselor, the state in which the counselor works, the community setting, state and local policies influence a school counselor's advocacy activity. Additionally, the number of years school counselors and building principals work together and the perceived collaborative working relationship are predictors of school counselor advocacy activity. Using a systems perspective can help school counselors identify how to advocate for LGBTQ students at the individual level, at the school, district, and community level, to the public arena. [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://bibliotheek.ehb.be:2222/en-US/products/dissertations/individuals.shtml.]