Slow internet? The right way to run a speed test (and what to do with the results)

After a decade testing PCs, routers, and home networks, I know what causes slow speeds and can help you optimize your internet connection.
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How California is Trying to Reshape High School

This story was originally published by CalMatters. Sign up for their newsletters. At CART High near Fresno, there is no gum stuck to the floor. The saffron-yellow walls are unmarred by graffiti.