Analyzing the Author's Tone in Educational Critique

In the essay Reflections on Education, the author opens with a vivid description of a bustling classroom, filled with the sounds of laughter and the rustle of papers. The author then transitions into a critique of the conventional education system, expressing frustration over the rigid adherence to standardized testing. Throughout the piece, the author's tone shifts from nostalgia for the joy of discovery in learning to a more somber, critical view of how educational policies stifle creativity. In the concluding paragraphs, the author passionately advocates for a more holistic approach to education that fosters emotional and intellectual growth.

Based on this summary, what is the primary tone of the author's message regarding the education system?