A 1991 Report on the President-Principle relationship in Jesuit Schools:
http://www.jsea.org/FileUploads/President-Principal%20Relationship%20Study.pdf

Curriculum/Lesson Plans for creating Critical Thinkers in K-12 Education:
Mission Critical : Interactive tutorial for helping teach critical thinking skills.

Critical Thinking Across the Curriculum:

Critical Thinking Strategies : K-12 adaptable across the curriculum

Critical Thinking : Grades 9-12; Literature unit in nonfiction.

From AskEric:

Assorted Creative Thinking Activities

Different subject disciplines.Critical Thinking Strategies

K-12 adaptable to various disciplinesAn Approach to Teaching Religious Tolerance

Civics, grades 9-12Problem Solving - A Part of Everyday Thinking

Interdisciplinary, grades 4-12Request Reciprocal Teaching (Interdisciplinary, any level)

Fostering Critical Thinking Skills for Consumer Health Decisions : High school health