I've spent nearly two decades building technology to personalize education, including some of the earliest AI-powered tutoring systems. So it may come as a surprise when I say this: In the age of artificial intelligence, the most important innovation in education is still the teacher.

That's not a sentimental talking point. It's a lesson grounded in data, experience, and hard-won insight from working with nearly 1.5 million students across more than 500 school districts.

Take Newark, New Jersey. Even before the introduction of AI, when they brought technology into their classrooms, they didn't just hand out devices or flip a switch. They did the hard and necessary human work. Teachers were given time to plan and space to teach. They got real training, ongoing support, and clear goals tie

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