Diane Tavenner opens by examining how conventional educational models, despite their widespread continued use, may inadequately prepare students for genuine life success, drawing on her extensive experience founding and leading an alternative educational network.

Why this critique of conventional models matters:

• Conventional educational approaches, focused heavily on standardized testing and content memorization, may inadequately develop the broader capabilities — critical thinking, self-direction, genuine problem-solving — that genuine life success actually requires
• Tavenner's extensive practical experience developing and implementing alternative educational approaches provides credible grounding for this critique and her subsequent alternative framework
• This opening establishes the book's foundational critique, motivating its subsequent detailed examination of alternative educational principles

This opening establishes the book's foundational critique of conventional educational models, grounded in Tavenner's extensive experience developing alternative educational approaches.