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By any measure, educational technologies and the infrastructures to support them are more widely available in K-12 schools than at any point in time, even as digital divides persist. 

💰 Spending is way up. 

💻 1:1 schools are no longer outliers. 

📶 Broadband internet is more accessible than ever. 

Yet, student learning outcomes have not kept pace. 

What explains this discrepancy?